1630616456 has 32 divisors (see below), whose sum is σ = 3526248000. Its totient is φ = 692421696.

The previous prime is 1630616447. The next prime is 1630616467. The reversal of 1630616456 is 6546160361.

It is a super-3 number, since 3×1630616456³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127466 + ... + 139673.

It is an arithmetic number, because the mean of its divisors is an integer number (110195250).

Almost surely, 2^1630616456 is an apocalyptic number.

It is an amenable number.

1630616456 is an abundant number, since it is smaller than the sum of its proper divisors (1895631544).

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

1630616456 is a wasteful number, since it uses less digits than its factorization.

1630616456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267261 (or 267257 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1630616456 is about 40380.8922140163. The cubic root of 1630616456 is about 1177.0202651139.

The spelling of 1630616456 in words is "one billion, six hundred thirty million, six hundred sixteen thousand, four hundred fifty-six".