149196660 has 24 divisors (see below), whose sum is σ = 417750816. Its totient is φ = 39785760.

The previous prime is 149196647. The next prime is 149196661. The reversal of 149196660 is 66691941.

149196660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149196661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243246 + ... + 1243365.

It is an arithmetic number, because the mean of its divisors is an integer number (17406284).

Almost surely, 2^149196660 is an apocalyptic number.

149196660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149196660 is an abundant number, since it is smaller than the sum of its proper divisors (268554156).

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

149196660 is a wasteful number, since it uses less digits than its factorization.

149196660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486623 (or 2486621 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 149196660 is about 12214.6084669137. The cubic root of 149196660 is about 530.3790571822.

The spelling of 149196660 in words is "one hundred forty-nine million, one hundred ninety-six thousand, six hundred sixty".