2154265730160 has 80 divisors (see below), whose sum is σ = 6678691214976. Its totient is φ = 574430650624.

The previous prime is 2154265730081. The next prime is 2154265730257. The reversal of 2154265730160 is 610375624512.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2154265730160² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 3203647 + ... + 3817313.

Almost surely, 2^{2154265730160} is an apocalyptic number.

2154265730160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154265730160 is an abundant number, since it is smaller than the sum of its proper divisors (4524425484816).

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

2154265730160 is a wasteful number, since it uses less digits than its factorization.

2154265730160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628310 (or 628304 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 2154265730160 in words is "two trillion, one hundred fifty-four billion, two hundred sixty-five million, seven hundred thirty thousand, one hundred sixty".