661135114 has 8 divisors (see below), whose sum is σ = 995232708. Its totient is φ = 329390880.

The previous prime is 661135103. The next prime is 661135147. The reversal of 661135114 is 411531166.

It can be written as a sum of positive squares in 2 ways, for example, as 648568089 + 12567025 = 25467^2 + 3545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 587637 + ... + 588760.

Almost surely, 2^661135114 is an apocalyptic number.

661135114 is a deficient number, since it is larger than the sum of its proper divisors (334097594).

661135114 is a wasteful number, since it uses less digits than its factorization.

661135114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176680.

The product of its digits is 2160, while the sum is 28.

The square root of 661135114 is about 25712.5477928579. The cubic root of 661135114 is about 871.1576231164.

The spelling of 661135114 in words is "six hundred sixty-one million, one hundred thirty-five thousand, one hundred fourteen".