16513112384040 has 32 divisors (see below), whose sum is σ = 49539337152480. Its totient is φ = 4403496635712.

The previous prime is 16513112384029. The next prime is 16513112384053. The reversal of 16513112384040 is 4048321131561.

It is a self number, because there is not a number n which added to its sum of digits gives 16513112384040.

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, 68804634814 + ... + 68804635053.

It is an arithmetic number, because the mean of its divisors is an integer number (1548104286015).

Almost surely, 2^{16513112384040} is an apocalyptic number.

16513112384040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16513112384040 is an abundant number, since it is smaller than the sum of its proper divisors (33026224768440).

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

16513112384040 is a wasteful number, since it uses less digits than its factorization.

16513112384040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137609269881 (or 137609269877 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 16513112384040 in words is "sixteen trillion, five hundred thirteen billion, one hundred twelve million, three hundred eighty-four thousand, forty".