1230651664 has 20 divisors (see below), whose sum is σ = 2601150480. Its totient is φ = 559387040.

The previous prime is 1230651659. The next prime is 1230651689. The reversal of 1230651664 is 4661560321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3495994 + ... + 3496345.

It is an arithmetic number, because the mean of its divisors is an integer number (130057524).

Almost surely, 2^1230651664 is an apocalyptic number.

It is an amenable number.

1230651664 is an abundant number, since it is smaller than the sum of its proper divisors (1370498816).

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

1230651664 is a wasteful number, since it uses less digits than its factorization.

1230651664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992358 (or 6992352 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1230651664 is about 35080.6451480015. The cubic root of 1230651664 is about 1071.6304557158.

The spelling of 1230651664 in words is "one billion, two hundred thirty million, six hundred fifty-one thousand, six hundred sixty-four".