137168660 has 12 divisors (see below), whose sum is σ = 288054228. Its totient is φ = 54867456.

The previous prime is 137168653. The next prime is 137168693. The reversal of 137168660 is 66861731.

It can be written as a sum of positive squares in 2 ways, for example, as 23020804 + 114147856 = 4798^2 + 10684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3429197 + ... + 3429236.

It is an arithmetic number, because the mean of its divisors is an integer number (24004519).

Almost surely, 2^137168660 is an apocalyptic number.

137168660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137168660 is an abundant number, since it is smaller than the sum of its proper divisors (150885568).

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

137168660 is a wasteful number, since it uses less digits than its factorization.

137168660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858442 (or 6858440 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 137168660 is about 11711.9024927635. The cubic root of 137168660 is about 515.7251355445.

The spelling of 137168660 in words is "one hundred thirty-seven million, one hundred sixty-eight thousand, six hundred sixty".