425216340100664 has 64 divisors (see below), whose sum is σ = 912822828192000. Its totient is φ = 181906656044544.

The previous prime is 425216340100613. The next prime is 425216340100667. The reversal of 425216340100664 is 466001043612524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425216340100667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280415987 + ... + 281928285.

It is an arithmetic number, because the mean of its divisors is an integer number (14262856690500).

Almost surely, 2^{425216340100664} is an apocalyptic number.

It is an amenable number.

425216340100664 is an abundant number, since it is smaller than the sum of its proper divisors (487606488091336).

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

425216340100664 is a wasteful number, since it uses less digits than its factorization.

425216340100664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521372 (or 1521368 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 425216340100664 in words is "four hundred twenty-five trillion, two hundred sixteen billion, three hundred forty million, one hundred thousand, six hundred sixty-four".