16416637528889 has 8 divisors (see below), whose sum is σ = 17680329963072. Its totient is φ = 15153069975120.

The previous prime is 16416637528807. The next prime is 16416637528903. The reversal of 16416637528889 is 98882573661461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16416637528889 is a prime.

It is a super-3 number, since 3×16416637528889³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16416637528589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30946979 + ... + 31472984.

It is an arithmetic number, because the mean of its divisors is an integer number (2210041245384).

Almost surely, 2^{16416637528889} is an apocalyptic number.

It is an amenable number.

16416637528889 is a deficient number, since it is larger than the sum of its proper divisors (1263692434183).

16416637528889 is a wasteful number, since it uses less digits than its factorization.

16416637528889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62440207.

The product of its digits is 836075520, while the sum is 74.

The spelling of 16416637528889 in words is "sixteen trillion, four hundred sixteen billion, six hundred thirty-seven million, five hundred twenty-eight thousand, eight hundred eighty-nine".