16165380970 has 32 divisors (see below), whose sum is σ = 30292866000. Its totient is φ = 6203398656.

The previous prime is 16165380949. The next prime is 16165380991. The reversal of 16165380970 is 7908356161.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16165380949) and next prime (16165380991).

It can be written as a sum of positive squares in 8 ways, for example, as 10832438241 + 5332942729 = 104079^2 + 73027^2 .

It is a super-2 number, since 2×16165380970² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16165380970.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131995 + ... + 223054.

Almost surely, 2^16165380970 is an apocalyptic number.

16165380970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16165380970 is a deficient number, since it is larger than the sum of its proper divisors (14127485030).

16165380970 is a wasteful number, since it uses less digits than its factorization.

16165380970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355242.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 16165380970 in words is "sixteen billion, one hundred sixty-five million, three hundred eighty thousand, nine hundred seventy".