166117038 has 48 divisors (see below), whose sum is σ = 353177856. Its totient is φ = 52079760.

The previous prime is 166117027. The next prime is 166117051. The reversal of 166117038 is 830711661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 586845 + ... + 587127.

It is an arithmetic number, because the mean of its divisors is an integer number (7357872).

Almost surely, 2^166117038 is an apocalyptic number.

166117038 is an abundant number, since it is smaller than the sum of its proper divisors (187060818).

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

166117038 is a wasteful number, since it uses less digits than its factorization.

166117038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 166117038 is about 12888.6398816943. The cubic root of 166117038 is about 549.7155973145.

Adding to 166117038 its reverse (830711661), we get a palindrome (996828699).

The spelling of 166117038 in words is "one hundred sixty-six million, one hundred seventeen thousand, thirty-eight".