1630608552 has 48 divisors (see below), whose sum is σ = 4608246240. Its totient is φ = 519903648.

The previous prime is 1630608527. The next prime is 1630608563. The reversal of 1630608552 is 2558060361.

1630608552 is a `hidden beast` number, since 16 + 30 + 60 + 8 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490678 + ... + 493989.

It is an arithmetic number, because the mean of its divisors is an integer number (96005130).

Almost surely, 2^1630608552 is an apocalyptic number.

1630608552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630608552 is an abundant number, since it is smaller than the sum of its proper divisors (2977637688).

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

1630608552 is a wasteful number, since it uses less digits than its factorization.

1630608552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984702 (or 984695 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1630608552 is about 40380.7943458273. The cubic root of 1630608552 is about 1177.0183633417.

The spelling of 1630608552 in words is "one billion, six hundred thirty million, six hundred eight thousand, five hundred fifty-two".