149206866 has 16 divisors (see below), whose sum is σ = 306479424. Its totient is φ = 48391344.

The previous prime is 149206801. The next prime is 149206879. The reversal of 149206866 is 668602941.

149206866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335830 + ... + 336273.

It is an arithmetic number, because the mean of its divisors is an integer number (19154964).

Almost surely, 2^149206866 is an apocalyptic number.

149206866 is an abundant number, since it is smaller than the sum of its proper divisors (157272558).

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

149206866 is a wasteful number, since it uses less digits than its factorization.

149206866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672145.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 149206866 is about 12215.0262382035. The cubic root of 149206866 is about 530.3911506728.

The spelling of 149206866 in words is "one hundred forty-nine million, two hundred six thousand, eight hundred sixty-six".