70899801166 has 4 divisors (see below), whose sum is σ = 106349701752. Its totient is φ = 35449900582.

The previous prime is 70899801151. The next prime is 70899801221. The reversal of 70899801166 is 66110899807.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17724950290 + ... + 17724950293.

It is an arithmetic number, because the mean of its divisors is an integer number (26587425438).

Almost surely, 2^70899801166 is an apocalyptic number.

70899801166 is a deficient number, since it is larger than the sum of its proper divisors (35449900586).

70899801166 is a wasteful number, since it uses less digits than its factorization.

70899801166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35449900585.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 70899801166 in words is "seventy billion, eight hundred ninety-nine million, eight hundred one thousand, one hundred sixty-six".