1630928877264 has 320 divisors, whose sum is σ = 4959582566400. Its totient is φ = 512306380800.

The previous prime is 1630928877239. The next prime is 1630928877271. The reversal of 1630928877264 is 4627788290361.

It is a super-2 number, since 2×1630928877264² (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 63 ways as a sum of consecutive naturals, for example, 325597192 + ... + 325602200.

It is an arithmetic number, because the mean of its divisors is an integer number (15498695520).

Almost surely, 2^{1630928877264} 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 1630928877264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2479791283200).

1630928877264 is an abundant number, since it is smaller than the sum of its proper divisors (3328653689136).

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

1630928877264 is a wasteful number, since it uses less digits than its factorization.

1630928877264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691 (or 5679 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 1630928877264 in words is "one trillion, six hundred thirty billion, nine hundred twenty-eight million, eight hundred seventy-seven thousand, two hundred sixty-four".