16501422124 has 24 divisors (see below), whose sum is σ = 32589018000. Its totient is φ = 7242002880.

The previous prime is 16501422083. The next prime is 16501422143. The reversal of 16501422124 is 42122410561.

It is a super-2 number, since 2×16501422124² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16501422092 and 16501422101.

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, 6464799 + ... + 6467350.

It is an arithmetic number, because the mean of its divisors is an integer number (1357875750).

Almost surely, 2^16501422124 is an apocalyptic number.

It is an amenable number.

16501422124 is a deficient number, since it is larger than the sum of its proper divisors (16087595876).

16501422124 is a wasteful number, since it uses less digits than its factorization.

16501422124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12932193 (or 12932191 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 16501422124 its reverse (42122410561), we get a palindrome (58623832685).

The spelling of 16501422124 in words is "sixteen billion, five hundred one million, four hundred twenty-two thousand, one hundred twenty-four".