196126951580 has 48 divisors (see below), whose sum is σ = 478682749440. Its totient is φ = 66103802688.

The previous prime is 196126951543. The next prime is 196126951597. The reversal of 196126951580 is 85159621691.

It is a super-2 number, since 2×196126951580² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 11863832 + ... + 11880351.

It is an arithmetic number, because the mean of its divisors is an integer number (9972557280).

Almost surely, 2^196126951580 is an apocalyptic number.

196126951580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196126951580 is an abundant number, since it is smaller than the sum of its proper divisors (282555797860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196126951580 is a wasteful number, since it uses less digits than its factorization.

196126951580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23744258 (or 23744256 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 53.

The spelling of 196126951580 in words is "one hundred ninety-six billion, one hundred twenty-six million, nine hundred fifty-one thousand, five hundred eighty".