1631652064 has 48 divisors (see below), whose sum is σ = 3740512608. Its totient is φ = 686080512.

The previous prime is 1631652019. The next prime is 1631652073. The reversal of 1631652064 is 4602561361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56847 + ... + 80590.

It is an arithmetic number, because the mean of its divisors is an integer number (77927346).

Almost surely, 2^1631652064 is an apocalyptic number.

1631652064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1631652064 is an abundant number, since it is smaller than the sum of its proper divisors (2108860544).

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

1631652064 is a wasteful number, since it uses less digits than its factorization.

1631652064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137507 (or 137499 counting only the distinct ones).

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

The square root of 1631652064 is about 40393.7131742057. The cubic root of 1631652064 is about 1177.2693884113.

The spelling of 1631652064 in words is "one billion, six hundred thirty-one million, six hundred fifty-two thousand, sixty-four".