671520150 has 72 divisors (see below), whose sum is σ = 2061896304. Its totient is φ = 153489600.

The previous prime is 671520119. The next prime is 671520169. The reversal of 671520150 is 51025176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 103441 + ... + 109740.

Almost surely, 2^671520150 is an apocalyptic number.

671520150 is an abundant number, since it is smaller than the sum of its proper divisors (1390376154).

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

671520150 is a wasteful number, since it uses less digits than its factorization.

671520150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213206 (or 213198 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 671520150 is about 25913.7058330143. The cubic root of 671520150 is about 875.6952949754.

The spelling of 671520150 in words is "six hundred seventy-one million, five hundred twenty thousand, one hundred fifty".