16512424140 has 24 divisors (see below), whose sum is σ = 46234787760. Its totient is φ = 4403313088.

The previous prime is 16512424051. The next prime is 16512424151. The reversal of 16512424140 is 4142421561.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16512424098 and 16512424107.

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, 137603475 + ... + 137603594.

It is an arithmetic number, because the mean of its divisors is an integer number (1926449490).

Almost surely, 2^16512424140 is an apocalyptic number.

16512424140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16512424140 is an abundant number, since it is smaller than the sum of its proper divisors (29722363620).

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

16512424140 is a wasteful number, since it uses less digits than its factorization.

16512424140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275207081 (or 275207079 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 16512424140 in words is "sixteen billion, five hundred twelve million, four hundred twenty-four thousand, one hundred forty".