667364955 has 16 divisors (see below), whose sum is σ = 1068241920. Its totient is φ = 355775328.

The previous prime is 667364953. The next prime is 667364963. The reversal of 667364955 is 559463766.

It is a happy number.

It is not a de Polignac number, because 667364955 - 2¹ = 667364953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667364898 and 667364907.

It is not an unprimeable number, because it can be changed into a prime (667364953) 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, 32604 + ... + 48966.

It is an arithmetic number, because the mean of its divisors is an integer number (66765120).

Almost surely, 2^667364955 is an apocalyptic number.

667364955 is a deficient number, since it is larger than the sum of its proper divisors (400876965).

667364955 is a wasteful number, since it uses less digits than its factorization.

667364955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19090.

The product of its digits is 4082400, while the sum is 51.

The square root of 667364955 is about 25833.4077310757. The cubic root of 667364955 is about 873.8853638307.

The spelling of 667364955 in words is "six hundred sixty-seven million, three hundred sixty-four thousand, nine hundred fifty-five".