1612255053864 has 256 divisors, whose sum is σ = 5170549063680. Its totient is φ = 407496821760.

The previous prime is 1612255053863. The next prime is 1612255053901. The reversal of 1612255053864 is 4683505522161.

It is not an unprimeable number, because it can be changed into a prime (1612255053863) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6857914 + ... + 7089110.

It is an arithmetic number, because the mean of its divisors is an integer number (20197457280).

Almost surely, 2^{1612255053864} is an apocalyptic number.

1612255053864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1612255053864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585274531840).

1612255053864 is an abundant number, since it is smaller than the sum of its proper divisors (3558294009816).

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

1612255053864 is a wasteful number, since it uses less digits than its factorization.

1612255053864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231360 (or 231356 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 1612255053864 in words is "one trillion, six hundred twelve billion, two hundred fifty-five million, fifty-three thousand, eight hundred sixty-four".