630151664 has 20 divisors (see below), whose sum is σ = 1225677504. Its totient is φ = 313847808.

The previous prime is 630151661. The next prime is 630151679. The reversal of 630151664 is 466151036.

It is a super-2 number, since 2×630151664² = 794182239283937792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630151664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630151661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72512 + ... + 80735.

Almost surely, 2^630151664 is an apocalyptic number.

It is an amenable number.

630151664 is a deficient number, since it is larger than the sum of its proper divisors (595525840).

630151664 is a wasteful number, since it uses less digits than its factorization.

630151664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153512 (or 153506 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 630151664 is about 25102.8218334115. The cubic root of 630151664 is about 857.3306741230.

The spelling of 630151664 in words is "six hundred thirty million, one hundred fifty-one thousand, six hundred sixty-four".