16513513530 has 32 divisors (see below), whose sum is σ = 39698640000. Its totient is φ = 4396247232.

The previous prime is 16513513519. The next prime is 16513513553. The reversal of 16513513530 is 3531531561.

It is a super-2 number, since 2×16513513530² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16513513491 and 16513513500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441505 + ... + 477444.

It is an arithmetic number, because the mean of its divisors is an integer number (1240582500).

Almost surely, 2^16513513530 is an apocalyptic number.

16513513530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16513513530 is an abundant number, since it is smaller than the sum of its proper divisors (23185126470).

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

16513513530 is a wasteful number, since it uses less digits than its factorization.

16513513530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919558.

The product of its (nonzero) digits is 20250, while the sum is 33.

The spelling of 16513513530 in words is "sixteen billion, five hundred thirteen million, five hundred thirteen thousand, five hundred thirty".