669153275616 has 96 divisors (see below), whose sum is σ = 2072216659968. Its totient is φ = 185019333120.

The previous prime is 669153275551. The next prime is 669153275621. The reversal of 669153275616 is 616572351966.

669153275616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×669153275616² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16039875 + ... + 16081538.

It is an arithmetic number, because the mean of its divisors is an integer number (21585590208).

Almost surely, 2^669153275616 is an apocalyptic number.

It is an amenable number.

669153275616 is an abundant number, since it is smaller than the sum of its proper divisors (1403063384352).

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

669153275616 is a wasteful number, since it uses less digits than its factorization.

669153275616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32121464 (or 32121456 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 57.

The spelling of 669153275616 in words is "six hundred sixty-nine billion, one hundred fifty-three million, two hundred seventy-five thousand, six hundred sixteen".