669152995 has 8 divisors (see below), whose sum is σ = 917695584. Its totient is φ = 458847744.

The previous prime is 669152969. The next prime is 669153013. The reversal of 669152995 is 599251966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 669152995 - 2⁷ = 669152867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9559294 + ... + 9559363.

It is an arithmetic number, because the mean of its divisors is an integer number (114711948).

Almost surely, 2^669152995 is an apocalyptic number.

669152995 is a deficient number, since it is larger than the sum of its proper divisors (248542589).

669152995 is a wasteful number, since it uses less digits than its factorization.

669152995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19118669.

The product of its digits is 1312200, while the sum is 52.

The square root of 669152995 is about 25867.9917079003. The cubic root of 669152995 is about 874.6651213759.

It can be divided in two parts, 669 and 152995, that added together give a square (153664 = 392²).

The spelling of 669152995 in words is "six hundred sixty-nine million, one hundred fifty-two thousand, nine hundred ninety-five".