165476361960 has 768 divisors, whose sum is σ = 689173954560. Its totient is φ = 33495275520.

The previous prime is 165476361901. The next prime is 165476362133. The reversal of 165476361960 is 69163674561.

It is a happy number.

165476361960 is a `hidden beast` number, since 1 + 6 + 547 + 6 + 3 + 6 + 1 + 96 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 165476361897 and 165476361906.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 128975479 + ... + 128976761.

It is an arithmetic number, because the mean of its divisors is an integer number (897361920).

Almost surely, 2^165476361960 is an apocalyptic number.

165476361960 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 165476361960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344586977280).

165476361960 is an abundant number, since it is smaller than the sum of its proper divisors (523697592600).

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

165476361960 is a wasteful number, since it uses less digits than its factorization.

165476361960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 165476361960 in words is "one hundred sixty-five billion, four hundred seventy-six million, three hundred sixty-one thousand, nine hundred sixty".