91867047416 has 32 divisors (see below), whose sum is σ = 172586700000. Its totient is φ = 45844018176.

The previous prime is 91867047407. The next prime is 91867047443. The reversal of 91867047416 is 61474076819.

It is a super-3 number, since 3×91867047416³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10204085 + ... + 10213083.

It is an arithmetic number, because the mean of its divisors is an integer number (5393334375).

Almost surely, 2^91867047416 is an apocalyptic number.

It is an amenable number.

91867047416 is a deficient number, since it is larger than the sum of its proper divisors (80719652584).

91867047416 is a wasteful number, since it uses less digits than its factorization.

91867047416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11351 (or 11347 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 91867047416 in words is "ninety-one billion, eight hundred sixty-seven million, forty-seven thousand, four hundred sixteen".