32157148416 has 72 divisors (see below), whose sum is σ = 85683858624. Its totient is φ = 10706657280.

The previous prime is 32157148399. The next prime is 32157148487. The reversal of 32157148416 is 61484175123.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 652845 + ... + 700371.

It is an arithmetic number, because the mean of its divisors is an integer number (1190053592).

Almost surely, 2^32157148416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32157148416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42841929312).

32157148416 is an abundant number, since it is smaller than the sum of its proper divisors (53526710208).

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

32157148416 is an equidigital number, since it uses as much as digits as its factorization.

32157148416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48427 (or 48413 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The spelling of 32157148416 in words is "thirty-two billion, one hundred fifty-seven million, one hundred forty-eight thousand, four hundred sixteen".