149081895166 has 32 divisors (see below), whose sum is σ = 227578913280. Its totient is φ = 73230837696.

The previous prime is 149081895161. The next prime is 149081895251. The reversal of 149081895166 is 661598180941.

It is a super-2 number, since 2×149081895166² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149081895166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149081895161) 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, 78175185 + ... + 78177091.

It is an arithmetic number, because the mean of its divisors is an integer number (7111841040).

Almost surely, 2^149081895166 is an apocalyptic number.

149081895166 is a deficient number, since it is larger than the sum of its proper divisors (78497018114).

149081895166 is a wasteful number, since it uses less digits than its factorization.

149081895166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808.

The product of its (nonzero) digits is 3732480, while the sum is 58.

The spelling of 149081895166 in words is "one hundred forty-nine billion, eighty-one million, eight hundred ninety-five thousand, one hundred sixty-six".