16021112502 has 16 divisors (see below), whose sum is σ = 32071288320. Its totient is φ = 5335526952.

The previous prime is 16021112501. The next prime is 16021112537. The reversal of 16021112502 is 20521112061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16021112501) 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, 1203802 + ... + 1217037.

It is an arithmetic number, because the mean of its divisors is an integer number (2004455520).

Almost surely, 2^16021112502 is an apocalyptic number.

16021112502 is an abundant number, since it is smaller than the sum of its proper divisors (16050175818).

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

16021112502 is a wasteful number, since it uses less digits than its factorization.

16021112502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421947.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 16021112502 its reverse (20521112061), we get a palindrome (36542224563).

The spelling of 16021112502 in words is "sixteen billion, twenty-one million, one hundred twelve thousand, five hundred two".