85149494158 has 8 divisors (see below), whose sum is σ = 135237431952. Its totient is φ = 40070350176.

The previous prime is 85149494117. The next prime is 85149494159.

85149494158 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×85149494158² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85149494159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252198410 + ... + 1252198477.

It is an arithmetic number, because the mean of its divisors is an integer number (16904678994).

Almost surely, 2^85149494158 is an apocalyptic number.

85149494158 is a deficient number, since it is larger than the sum of its proper divisors (50087937794).

85149494158 is a wasteful number, since it uses less digits than its factorization.

85149494158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504396906.

The product of its digits is 8294400, while the sum is 58.

The spelling of 85149494158 in words is "eighty-five billion, one hundred forty-nine million, four hundred ninety-four thousand, one hundred fifty-eight".