667110620 has 24 divisors (see below), whose sum is σ = 1528290288. Its totient is φ = 242585600.

The previous prime is 667110611. The next prime is 667110641. The reversal of 667110620 is 26011766.

It is a congruent 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, 1515941 + ... + 1516380.

It is an arithmetic number, because the mean of its divisors is an integer number (63678762).

Almost surely, 2^667110620 is an apocalyptic number.

It is an amenable number.

667110620 is an abundant number, since it is smaller than the sum of its proper divisors (861179668).

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

667110620 is a wasteful number, since it uses less digits than its factorization.

667110620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032341 (or 3032339 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 667110620 is about 25828.4846632550. The cubic root of 667110620 is about 873.7743361874.

The spelling of 667110620 in words is "six hundred sixty-seven million, one hundred ten thousand, six hundred twenty".