532137668 has 6 divisors (see below), whose sum is σ = 931240926. Its totient is φ = 266068832.

The previous prime is 532137659. The next prime is 532137677. The reversal of 532137668 is 866731235.

It is an interprime number because it is at equal distance from previous prime (532137659) and next prime (532137677).

It can be written as a sum of positive squares in only one way, i.e., 329132164 + 203005504 = 18142^2 + 14248^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66517205 + ... + 66517212.

It is an arithmetic number, because the mean of its divisors is an integer number (155206821).

Almost surely, 2^532137668 is an apocalyptic number.

It is an amenable number.

532137668 is a deficient number, since it is larger than the sum of its proper divisors (399103258).

532137668 is a wasteful number, since it uses less digits than its factorization.

532137668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133034421 (or 133034419 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 532137668 is about 23068.1093286814. The cubic root of 532137668 is about 810.3537894630.

The spelling of 532137668 in words is "five hundred thirty-two million, one hundred thirty-seven thousand, six hundred sixty-eight".