612354653345136 has 320 divisors, whose sum is σ = 1789745688944640. Its totient is φ = 179002416552960.

The previous prime is 612354653345131. The next prime is 612354653345147. The reversal of 612354653345136 is 631543356453216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612354653345131) 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, 3017449591 + ... + 3017652521.

It is an arithmetic number, because the mean of its divisors is an integer number (5592955277952).

Almost surely, 2^{612354653345136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612354653345136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894872844472320).

612354653345136 is an abundant number, since it is smaller than the sum of its proper divisors (1177391035599504).

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

612354653345136 is a wasteful number, since it uses less digits than its factorization.

612354653345136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204404 (or 204398 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 57.

The spelling of 612354653345136 in words is "six hundred twelve trillion, three hundred fifty-four billion, six hundred fifty-three million, three hundred forty-five thousand, one hundred thirty-six".