16621277526142 has 16 divisors (see below), whose sum is σ = 24987638238192. Its totient is φ = 8292076634880.

The previous prime is 16621277526127. The next prime is 16621277526173. The reversal of 16621277526142 is 24162577212661.

It is a self number, because there is not a number n which added to its sum of digits gives 16621277526142.

It is a congruent number.

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, 156508 + ... + 5767759.

It is an arithmetic number, because the mean of its divisors is an integer number (1561727389887).

Almost surely, 2^{16621277526142} is an apocalyptic number.

16621277526142 is a deficient number, since it is larger than the sum of its proper divisors (8366360712050).

16621277526142 is a wasteful number, since it uses less digits than its factorization.

16621277526142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5927403.

The product of its digits is 3386880, while the sum is 52.

The spelling of 16621277526142 in words is "sixteen trillion, six hundred twenty-one billion, two hundred seventy-seven million, five hundred twenty-six thousand, one hundred forty-two".