16155865758096 has 105 divisors (see below), whose sum is σ = 46932776788081. Its totient is φ = 5385143886336.

The previous prime is 16155865758083. The next prime is 16155865758103. The reversal of 16155865758096 is 69085756855161.

The square root of 16155865758096 is 4019436.

It is a perfect power (a square), and thus also a powerful number.

16155865758096 is a `hidden beast` number, since 1 + 6 + 1 + 558 + 65 + 7 + 5 + 8 + 0 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7136271104400 + 9019594653696 = 2671380^2 + 3003264^2 .

It is a super-2 number, since 2×16155865758096² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 434080480 + ... + 434117696.

Almost surely, 2^{16155865758096} is an apocalyptic number.

16155865758096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

16155865758096 is the 4019436-th square number.

It is an amenable number.

16155865758096 is an abundant number, since it is smaller than the sum of its proper divisors (30776911029985).

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

16155865758096 is an frugal number, since it uses more digits than its factorization.

16155865758096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74460 (or 37222 counting only the distinct ones).

The product of its (nonzero) digits is 544320000, while the sum is 72.

The spelling of 16155865758096 in words is "sixteen trillion, one hundred fifty-five billion, eight hundred sixty-five million, seven hundred fifty-eight thousand, ninety-six".