196688702015 has 64 divisors (see below), whose sum is σ = 270122307840. Its totient is φ = 136431267840.

The previous prime is 196688701901. The next prime is 196688702029. The reversal of 196688702015 is 510207886691.

It is a Cunningham number, because it is equal to 443496²-1.

It is not a de Polignac number, because 196688702015 - 2¹⁴ = 196688685631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28823894 + ... + 28830716.

It is an arithmetic number, because the mean of its divisors is an integer number (4220661060).

Almost surely, 2^196688702015 is an apocalyptic number.

196688702015 is a deficient number, since it is larger than the sum of its proper divisors (73433605825).

196688702015 is a wasteful number, since it uses less digits than its factorization.

196688702015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 196688702015 in words is "one hundred ninety-six billion, six hundred eighty-eight million, seven hundred two thousand, fifteen".