662625156670400 has 336 divisors, whose sum is σ = 2066120845135872. Its totient is φ = 203146735104000.

The previous prime is 662625156670387. The next prime is 662625156670507. The reversal of 662625156670400 is 4076651526266.

It is a super-2 number, since 2×662625156670400² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36570464 + ... + 51600863.

It is an arithmetic number, because the mean of its divisors is an integer number (6149169181952).

Almost surely, 2^{662625156670400} is an apocalyptic number.

It is an amenable number.

662625156670400 is an abundant number, since it is smaller than the sum of its proper divisors (1403495688465472).

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

662625156670400 is a wasteful number, since it uses less digits than its factorization.

662625156670400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88171428 (or 88171413 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 662625156670400 in words is "six hundred sixty-two trillion, six hundred twenty-five billion, one hundred fifty-six million, six hundred seventy thousand, four hundred".