16164136380 has 192 divisors, whose sum is σ = 54569410560. Its totient is φ = 3492377856.

The previous prime is 16164136349. The next prime is 16164136463. The reversal of 16164136380 is 8363146161.

It is a super-2 number, since 2×16164136380² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4011927 + ... + 4015953.

It is an arithmetic number, because the mean of its divisors is an integer number (284215680).

Almost surely, 2^16164136380 is an apocalyptic number.

16164136380 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 16164136380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27284705280).

16164136380 is an abundant number, since it is smaller than the sum of its proper divisors (38405274180).

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

16164136380 is a wasteful number, since it uses less digits than its factorization.

16164136380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568 (or 4566 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 16164136380 in words is "sixteen billion, one hundred sixty-four million, one hundred thirty-six thousand, three hundred eighty".