1650664074372 has 24 divisors (see below), whose sum is σ = 3859393816992. Its totient is φ = 549100742400.

The previous prime is 1650664074361. The next prime is 1650664074403. The reversal of 1650664074372 is 2734704660561.

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, 140070829 + ... + 140082612.

It is an arithmetic number, because the mean of its divisors is an integer number (160808075708).

Almost surely, 2^{1650664074372} is an apocalyptic number.

1650664074372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1650664074372 is an abundant number, since it is smaller than the sum of its proper divisors (2208729742620).

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

1650664074372 is a wasteful number, since it uses less digits than its factorization.

1650664074372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280153939 (or 280153937 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 51.

The spelling of 1650664074372 in words is "one trillion, six hundred fifty billion, six hundred sixty-four million, seventy-four thousand, three hundred seventy-two".