196501518455 has 8 divisors (see below), whose sum is σ = 257238351504. Its totient is φ = 142910195200.

The previous prime is 196501518443. The next prime is 196501518457. The reversal of 196501518455 is 554815105691.

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

It is not a de Polignac number, because 196501518455 - 2⁶ = 196501518391 is a prime.

It is a super-2 number, since 2×196501518455² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196501518457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786377386 + ... + 1786377495.

It is an arithmetic number, because the mean of its divisors is an integer number (32154793938).

Almost surely, 2^196501518455 is an apocalyptic number.

196501518455 is a deficient number, since it is larger than the sum of its proper divisors (60736833049).

196501518455 is a wasteful number, since it uses less digits than its factorization.

196501518455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572754897.

The product of its (nonzero) digits is 1080000, while the sum is 50.

The spelling of 196501518455 in words is "one hundred ninety-six billion, five hundred one million, five hundred eighteen thousand, four hundred fifty-five".