1630526372 has 12 divisors (see below), whose sum is σ = 3021269580. Its totient is φ = 767306496.

The previous prime is 1630526357. The next prime is 1630526393. The reversal of 1630526372 is 2736250361.

It can be written as a sum of positive squares in 2 ways, for example, as 899040256 + 731486116 = 29984^2 + 27046^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11989097 + ... + 11989232.

It is an arithmetic number, because the mean of its divisors is an integer number (251772465).

Almost surely, 2^1630526372 is an apocalyptic number.

It is an amenable number.

1630526372 is a deficient number, since it is larger than the sum of its proper divisors (1390743208).

1630526372 is a wasteful number, since it uses less digits than its factorization.

1630526372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23978350 (or 23978348 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 1630526372 is about 40379.7767700615. The cubic root of 1630526372 is about 1176.9985897437.

The spelling of 1630526372 in words is "one billion, six hundred thirty million, five hundred twenty-six thousand, three hundred seventy-two".