1612234588644 has 135 divisors (see below), whose sum is σ = 4407351812787. Its totient is φ = 513878205456.

The previous prime is 1612234588639. The next prime is 1612234588661. The reversal of 1612234588644 is 4468854322161.

The square root of 1612234588644 is 1269738.

It is a perfect power (a square), and thus also a powerful number.

1612234588644 is a `hidden beast` number, since 1 + 6 + 1 + 22 + 34 + 588 + 6 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 525669999 + ... + 525673065.

Almost surely, 2^{1612234588644} is an apocalyptic number.

1612234588644 is the 1269738-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1612234588644

1612234588644 is an abundant number, since it is smaller than the sum of its proper divisors (2795117224143).

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

1612234588644 is an frugal number, since it uses more digits than its factorization.

1612234588644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6196 (or 3095 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The spelling of 1612234588644 in words is "one trillion, six hundred twelve billion, two hundred thirty-four million, five hundred eighty-eight thousand, six hundred forty-four".