151980166 has 32 divisors (see below), whose sum is σ = 254999808. Its totient is φ = 67461120.

The previous prime is 151980163. The next prime is 151980167. The reversal of 151980166 is 661089151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151980163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155070 + ... + 156046.

It is an arithmetic number, because the mean of its divisors is an integer number (7968744).

Almost surely, 2^151980166 is an apocalyptic number.

151980166 is a deficient number, since it is larger than the sum of its proper divisors (103019642).

151980166 is a wasteful number, since it uses less digits than its factorization.

151980166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 151980166 is about 12328.0236047795. The cubic root of 151980166 is about 533.6571159810.

The spelling of 151980166 in words is "one hundred fifty-one million, nine hundred eighty thousand, one hundred sixty-six".