165367164060 has 192 divisors, whose sum is σ = 588151280640. Its totient is φ = 37786694400.

The previous prime is 165367164049. The next prime is 165367164091. The reversal of 165367164060 is 60461763561.

165367164060 is a `hidden beast` number, since 1 + 6 + 536 + 7 + 16 + 40 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 165367163997 and 165367164015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22113042 + ... + 22120518.

It is an arithmetic number, because the mean of its divisors is an integer number (3063287920).

Almost surely, 2^165367164060 is an apocalyptic number.

165367164060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165367164060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294075640320).

165367164060 is an abundant number, since it is smaller than the sum of its proper divisors (422784116580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165367164060 is a wasteful number, since it uses less digits than its factorization.

165367164060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353 (or 13345 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

It can be divided in two parts, 1653671 and 64060, that added together give a triangular number (1717731 = T₁₈₅₃).

The spelling of 165367164060 in words is "one hundred sixty-five billion, three hundred sixty-seven million, one hundred sixty-four thousand, sixty".