16011560040 has 128 divisors (see below), whose sum is σ = 56789856000. Its totient is φ = 3533580288.

The previous prime is 16011560027. The next prime is 16011560057. The reversal of 16011560040 is 4006511061.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304285 + ... + 353004.

It is an arithmetic number, because the mean of its divisors is an integer number (443670750).

Almost surely, 2^16011560040 is an apocalyptic number.

16011560040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16011560040 is an abundant number, since it is smaller than the sum of its proper divisors (40778295960).

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

16011560040 is a wasteful number, since it uses less digits than its factorization.

16011560040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657339 (or 657335 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 16011560040 in words is "sixteen billion, eleven million, five hundred sixty thousand, forty".