671071148 has 12 divisors (see below), whose sum is σ = 1281135912. Its totient is φ = 305032320.

The previous prime is 671071103. The next prime is 671071153. The reversal of 671071148 is 841170176.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7625765 + ... + 7625852.

It is an arithmetic number, because the mean of its divisors is an integer number (106761326).

Almost surely, 2^671071148 is an apocalyptic number.

It is an amenable number.

671071148 is a deficient number, since it is larger than the sum of its proper divisors (610064764).

671071148 is a wasteful number, since it uses less digits than its factorization.

671071148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15251632 (or 15251630 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 671071148 is about 25905.0409766130. The cubic root of 671071148 is about 875.5000778973.

The spelling of 671071148 in words is "six hundred seventy-one million, seventy-one thousand, one hundred forty-eight".