388416168645 has 16 divisors (see below), whose sum is σ = 623759108352. Its totient is φ = 206390877120.

The previous prime is 388416168641. The next prime is 388416168667. The reversal of 388416168645 is 546861614883.

It is a happy number.

It is not a de Polignac number, because 388416168645 - 2² = 388416168641 is a prime.

It is a super-2 number, since 2×388416168645² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388416168641) 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, 47771602 + ... + 47779731.

It is an arithmetic number, because the mean of its divisors is an integer number (38984944272).

Almost surely, 2^388416168645 is an apocalyptic number.

It is an amenable number.

388416168645 is a deficient number, since it is larger than the sum of its proper divisors (235342939707).

388416168645 is a wasteful number, since it uses less digits than its factorization.

388416168645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95551612.

The product of its digits is 26542080, while the sum is 60.

The spelling of 388416168645 in words is "three hundred eighty-eight billion, four hundred sixteen million, one hundred sixty-eight thousand, six hundred forty-five".