16455780036 has 72 divisors (see below), whose sum is σ = 42102837504. Its totient is φ = 5418819840.

The previous prime is 16455779999. The next prime is 16455780083. The reversal of 16455780036 is 63008755461.

16455780036 is a `hidden beast` number, since 1 + 6 + 45 + 578 + 0 + 0 + 36 = 666.

It is a super-2 number, since 2×16455780036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16455779973 and 16455780000.

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, 1258645 + ... + 1271651.

It is an arithmetic number, because the mean of its divisors is an integer number (584761632).

Almost surely, 2^16455780036 is an apocalyptic number.

It is an amenable number.

16455780036 is an abundant number, since it is smaller than the sum of its proper divisors (25647057468).

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

16455780036 is a wasteful number, since it uses less digits than its factorization.

16455780036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13441 (or 13436 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 16455780036 in words is "sixteen billion, four hundred fifty-five million, seven hundred eighty thousand, thirty-six".