196465687 has 16 divisors (see below), whose sum is σ = 220045824. Its totient is φ = 173880000.

The previous prime is 196465663. The next prime is 196465721. The reversal of 196465687 is 786564691.

It is a cyclic number.

It is not a de Polignac number, because 196465687 - 2¹¹ = 196463639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196465637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108187 + ... + 109987.

It is an arithmetic number, because the mean of its divisors is an integer number (13752864).

Almost surely, 2^196465687 is an apocalyptic number.

196465687 is a deficient number, since it is larger than the sum of its proper divisors (23580137).

196465687 is a wasteful number, since it uses less digits than its factorization.

196465687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070.

The product of its digits is 2177280, while the sum is 52.

The square root of 196465687 is about 14016.6218112639. The cubic root of 196465687 is about 581.3382564255.

The spelling of 196465687 in words is "one hundred ninety-six million, four hundred sixty-five thousand, six hundred eighty-seven".