16465654401516 has 24 divisors (see below), whose sum is σ = 42688733633840. Its totient is φ = 5488551467136.

The previous prime is 16465654401491. The next prime is 16465654401533. The reversal of 16465654401516 is 61510445656461.

16465654401516 is a `hidden beast` number, since 1 + 6 + 4 + 65 + 65 + 4 + 4 + 0 + 1 + 516 = 666.

It is a super-2 number, since 2×16465654401516² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76229881381 + ... + 76229881596.

Almost surely, 2^{16465654401516} is an apocalyptic number.

It is an amenable number.

16465654401516 is an abundant number, since it is smaller than the sum of its proper divisors (26223079232324).

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

16465654401516 is a wasteful number, since it uses less digits than its factorization.

16465654401516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152459762990 (or 152459762982 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 54.

The spelling of 16465654401516 in words is "sixteen trillion, four hundred sixty-five billion, six hundred fifty-four million, four hundred one thousand, five hundred sixteen".