671135546 has 4 divisors (see below), whose sum is σ = 1006703322. Its totient is φ = 335567772.

The previous prime is 671135527. The next prime is 671135551. The reversal of 671135546 is 645531176.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 602162521 + 68973025 = 24539^2 + 8305^2 .

It is a super-2 number, since 2×671135546² = 900845842209436232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167783885 + ... + 167783888.

Almost surely, 2^671135546 is an apocalyptic number.

671135546 is a deficient number, since it is larger than the sum of its proper divisors (335567776).

671135546 is a wasteful number, since it uses less digits than its factorization.

671135546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335567775.

The product of its digits is 75600, while the sum is 38.

The square root of 671135546 is about 25906.2839095074. The cubic root of 671135546 is about 875.5280822060.

The spelling of 671135546 in words is "six hundred seventy-one million, one hundred thirty-five thousand, five hundred forty-six".