16253765513040 has 160 divisors (see below), whose sum is σ = 55787687502336. Its totient is φ = 3881496199680.

The previous prime is 16253765513039. The next prime is 16253765513059. The reversal of 16253765513040 is 4031556735261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 45768862 + ... + 46122621.

Almost surely, 2^{16253765513040} is an apocalyptic number.

16253765513040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16253765513040 is an abundant number, since it is smaller than the sum of its proper divisors (39533921989296).

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

16253765513040 is a wasteful number, since it uses less digits than its factorization.

16253765513040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91891577 (or 91891571 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 16253765513040 in words is "sixteen trillion, two hundred fifty-three billion, seven hundred sixty-five million, five hundred thirteen thousand, forty".