16003621902 has 32 divisors (see below), whose sum is σ = 32354652960. Its totient is φ = 5276739200.

The previous prime is 16003621883. The next prime is 16003621903. The reversal of 16003621902 is 20912630061.

It is a super-2 number, since 2×16003621902² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16003621902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16003621903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660148 + ... + 683960.

It is an arithmetic number, because the mean of its divisors is an integer number (1011082905).

Almost surely, 2^16003621902 is an apocalyptic number.

16003621902 is an abundant number, since it is smaller than the sum of its proper divisors (16351031058).

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

16003621902 is a wasteful number, since it uses less digits than its factorization.

16003621902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25028.

The product of its (nonzero) digits is 3888, while the sum is 30.

The spelling of 16003621902 in words is "sixteen billion, three million, six hundred twenty-one thousand, nine hundred two".