1650131461376 has 18 divisors (see below), whose sum is σ = 3293817097242. Its totient is φ = 825065730560.

The previous prime is 1650131461331. The next prime is 1650131461399. The reversal of 1650131461376 is 6731641310561.

It can be written as a sum of positive squares in only one way, i.e., 1203672294400 + 446459166976 = 1097120^2 + 668176^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222912755 + ... + 3222913266.

Almost surely, 2^{1650131461376} is an apocalyptic number.

1650131461376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1650131461376 is a deficient number, since it is larger than the sum of its proper divisors (1643685635866).

1650131461376 is an frugal number, since it uses more digits than its factorization.

1650131461376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445826037 (or 6445826023 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 1650131461376 in words is "one trillion, six hundred fifty billion, one hundred thirty-one million, four hundred sixty-one thousand, three hundred seventy-six".