91272494349016 has 16 divisors (see below), whose sum is σ = 171493204420800. Its totient is φ = 45540973170144.

The previous prime is 91272494349013. The next prime is 91272494349017. The reversal of 91272494349016 is 61094349427219.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91272494349013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11909246475 + ... + 11909254138.

It is an arithmetic number, because the mean of its divisors is an integer number (10718325276300).

Almost surely, 2^{91272494349016} is an apocalyptic number.

It is an amenable number.

91272494349016 is a deficient number, since it is larger than the sum of its proper divisors (80220710071784).

91272494349016 is a wasteful number, since it uses less digits than its factorization.

91272494349016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23818501098 (or 23818501094 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 91272494349016 in words is "ninety-one trillion, two hundred seventy-two billion, four hundred ninety-four million, three hundred forty-nine thousand, sixteen".