191461656116 has 12 divisors (see below), whose sum is σ = 335130721632. Its totient is φ = 95710021368.

The previous prime is 191461656109. The next prime is 191461656143. The reversal of 191461656116 is 611656164191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5180960 + ... + 5217783.

It is an arithmetic number, because the mean of its divisors is an integer number (27927560136).

Almost surely, 2^191461656116 is an apocalyptic number.

It is an amenable number.

191461656116 is a deficient number, since it is larger than the sum of its proper divisors (143669065516).

191461656116 is a wasteful number, since it uses less digits than its factorization.

191461656116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403350 (or 10403348 counting only the distinct ones).

The product of its digits is 233280, while the sum is 47.

The spelling of 191461656116 in words is "one hundred ninety-one billion, four hundred sixty-one million, six hundred fifty-six thousand, one hundred sixteen".