1612631247980 has 24 divisors (see below), whose sum is σ = 3401711843712. Its totient is φ = 642159885312.

The previous prime is 1612631247977. The next prime is 1612631248031. The reversal of 1612631247980 is 897421362161.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180783797 + ... + 180792716.

It is an arithmetic number, because the mean of its divisors is an integer number (141737993488).

Almost surely, 2^{1612631247980} is an apocalyptic number.

1612631247980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1612631247980 is an abundant number, since it is smaller than the sum of its proper divisors (1789080595732).

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

1612631247980 is a wasteful number, since it uses less digits than its factorization.

1612631247980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361576745 (or 361576743 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 1612631247980 in words is "one trillion, six hundred twelve billion, six hundred thirty-one million, two hundred forty-seven thousand, nine hundred eighty".