196515141985 has 16 divisors (see below), whose sum is σ = 236921569920. Its totient is φ = 156477784320.

The previous prime is 196515141943. The next prime is 196515142027. The reversal of 196515141985 is 589141515691.

It is an interprime number because it is at equal distance from previous prime (196515141943) and next prime (196515142027).

It is not a de Polignac number, because 196515141985 - 2¹⁹ = 196514617697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167796 + ... + 1325434.

It is an arithmetic number, because the mean of its divisors is an integer number (14807598120).

Almost surely, 2^196515141985 is an apocalyptic number.

It is an amenable number.

196515141985 is a deficient number, since it is larger than the sum of its proper divisors (40406427935).

196515141985 is a wasteful number, since it uses less digits than its factorization.

196515141985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158808.

The product of its digits is 1944000, while the sum is 55.

The spelling of 196515141985 in words is "one hundred ninety-six billion, five hundred fifteen million, one hundred forty-one thousand, nine hundred eighty-five".