16260680212578 has 24 divisors (see below), whose sum is σ = 35231600025648. Its totient is φ = 5420207317272.

The previous prime is 16260680212561. The next prime is 16260680212603. The reversal of 16260680212578 is 87521208606261.

16260680212578 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 0 + 68 + 0 + 2 + 1 + 2 + 578 = 666.

It is a super-2 number, since 2×16260680212578² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4089025 + ... + 7017227.

It is an arithmetic number, because the mean of its divisors is an integer number (1467983334402).

Almost surely, 2^{16260680212578} is an apocalyptic number.

16260680212578 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16260680212578 is an abundant number, since it is smaller than the sum of its proper divisors (18970919813070).

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

16260680212578 is a wasteful number, since it uses less digits than its factorization.

16260680212578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236718 (or 3236715 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 16260680212578 in words is "sixteen trillion, two hundred sixty billion, six hundred eighty million, two hundred twelve thousand, five hundred seventy-eight".