16885780068036 has 24 divisors (see below), whose sum is σ = 42981985628064. Its totient is φ = 5116903050880.

The previous prime is 16885780068023. The next prime is 16885780068067. The reversal of 16885780068036 is 63086008758861.

It is a super-4 number, since 4×16885780068036⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 63961288005 + ... + 63961288268.

It is an arithmetic number, because the mean of its divisors is an integer number (1790916067836).

Almost surely, 2^{16885780068036} is an apocalyptic number.

It is an amenable number.

16885780068036 is an abundant number, since it is smaller than the sum of its proper divisors (26096205560028).

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

16885780068036 is a wasteful number, since it uses less digits than its factorization.

16885780068036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127922576291 (or 127922576289 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 66.

The spelling of 16885780068036 in words is "sixteen trillion, eight hundred eighty-five billion, seven hundred eighty million, sixty-eight thousand, thirty-six".