625542345116406 has 48 divisors (see below), whose sum is σ = 1358105370570000. Its totient is φ = 208089003159744.

The previous prime is 625542345116329. The next prime is 625542345116417. The reversal of 625542345116406 is 604611543245526.

625542345116406 is a `hidden beast` number, since 6 + 2 + 5 + 5 + 4 + 23 + 451 + 164 + 0 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121148920 + ... + 126206756.

It is an arithmetic number, because the mean of its divisors is an integer number (28293861886875).

Almost surely, 2^{625542345116406} is an apocalyptic number.

625542345116406 is an abundant number, since it is smaller than the sum of its proper divisors (732563025453594).

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

625542345116406 is a wasteful number, since it uses less digits than its factorization.

625542345116406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071853 (or 5071850 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 54.

The spelling of 625542345116406 in words is "six hundred twenty-five trillion, five hundred forty-two billion, three hundred forty-five million, one hundred sixteen thousand, four hundred six".