166201936 has 10 divisors (see below), whose sum is σ = 322016282. Its totient is φ = 83100960.

The previous prime is 166201921. The next prime is 166201951. The reversal of 166201936 is 639102661.

It is an interprime number because it is at equal distance from previous prime (166201921) and next prime (166201951).

It can be written as a sum of positive squares in only one way, i.e., 164865600 + 1336336 = 12840^2 + 1156^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5193795 + ... + 5193826.

Almost surely, 2^166201936 is an apocalyptic number.

166201936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166201936 is a deficient number, since it is larger than the sum of its proper divisors (155814346).

166201936 is a wasteful number, since it uses less digits than its factorization.

166201936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10387629 (or 10387623 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 166201936 is about 12891.9329815199. The cubic root of 166201936 is about 549.8092297058.

The spelling of 166201936 in words is "one hundred sixty-six million, two hundred one thousand, nine hundred thirty-six".