9151631554560 has 384 divisors, whose sum is σ = 31953108096000. Its totient is φ = 2217647144960.

The previous prime is 9151631554523. The next prime is 9151631554633. The reversal of 9151631554560 is 654551361519.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×9151631554560² (a number of 27 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 31 ways as a sum of consecutive naturals, for example, 1151289466 + ... + 1151297414.

It is an arithmetic number, because the mean of its divisors is an integer number (83211219000).

Almost surely, 2^{9151631554560} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9151631554560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15976554048000).

9151631554560 is an abundant number, since it is smaller than the sum of its proper divisors (22801476541440).

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

9151631554560 is a wasteful number, since it uses less digits than its factorization.

9151631554560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11397 (or 11377 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 51.

The spelling of 9151631554560 in words is "nine trillion, one hundred fifty-one billion, six hundred thirty-one million, five hundred fifty-four thousand, five hundred sixty".