123416660 has 48 divisors (see below), whose sum is σ = 263932032. Its totient is φ = 48470400.

The previous prime is 123416653. The next prime is 123416677. The reversal of 123416660 is 66614321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372695 + ... + 373025.

It is an arithmetic number, because the mean of its divisors is an integer number (5498584).

Almost surely, 2^123416660 is an apocalyptic number.

123416660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123416660 is an abundant number, since it is smaller than the sum of its proper divisors (140515372).

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

123416660 is a wasteful number, since it uses less digits than its factorization.

123416660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 123416660 is about 11109.3051087816. The cubic root of 123416660 is about 497.8799030840.

The spelling of 123416660 in words is "one hundred twenty-three million, four hundred sixteen thousand, six hundred sixty".