672016149 has 32 divisors (see below), whose sum is σ = 1197696000. Its totient is φ = 363796272.

The previous prime is 672016141. The next prime is 672016151. The reversal of 672016149 is 941610276.

It is not a de Polignac number, because 672016149 - 2³ = 672016141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672016141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89979 + ... + 97160.

It is an arithmetic number, because the mean of its divisors is an integer number (37428000).

Almost surely, 2^672016149 is an apocalyptic number.

It is an amenable number.

672016149 is a deficient number, since it is larger than the sum of its proper divisors (525679851).

672016149 is a wasteful number, since it uses less digits than its factorization.

672016149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187174 (or 187168 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 672016149 is about 25923.2742723600. The cubic root of 672016149 is about 875.9108442760.

The spelling of 672016149 in words is "six hundred seventy-two million, sixteen thousand, one hundred forty-nine".