16401015606276 has 72 divisors (see below), whose sum is σ = 47458769379840. Its totient is φ = 4678284473856.

The previous prime is 16401015606229. The next prime is 16401015606337. The reversal of 16401015606276 is 67260651010461.

16401015606276 is a `hidden beast` number, since 1 + 6 + 4 + 0 + 1 + 0 + 15 + 6 + 0 + 627 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53457741 + ... + 53763668.

It is an arithmetic number, because the mean of its divisors is an integer number (659149574720).

Almost surely, 2^{16401015606276} is an apocalyptic number.

It is an amenable number.

16401015606276 is an abundant number, since it is smaller than the sum of its proper divisors (31057753773564).

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

16401015606276 is a wasteful number, since it uses less digits than its factorization.

16401015606276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107222033 (or 107222028 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 16401015606276 in words is "sixteen trillion, four hundred one billion, fifteen million, six hundred six thousand, two hundred seventy-six".