16626052542 has 16 divisors (see below), whose sum is σ = 36275023872. Its totient is φ = 5038197720.

The previous prime is 16626052529. The next prime is 16626052589. The reversal of 16626052542 is 24525062661.

It is a self number, because there is not a number n which added to its sum of digits gives 16626052542.

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, 125954878 + ... + 125955009.

It is an arithmetic number, because the mean of its divisors is an integer number (2267188992).

Almost surely, 2^16626052542 is an apocalyptic number.

16626052542 is an abundant number, since it is smaller than the sum of its proper divisors (19648971330).

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

16626052542 is a wasteful number, since it uses less digits than its factorization.

16626052542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251909903.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 16626052542 in words is "sixteen billion, six hundred twenty-six million, fifty-two thousand, five hundred forty-two".