91075167036 has 144 divisors (see below), whose sum is σ = 277752384000. Its totient is φ = 24580838016.

The previous prime is 91075167013. The next prime is 91075167059. The reversal of 91075167036 is 63076157019.

It is an interprime number because it is at equal distance from previous prime (91075167013) and next prime (91075167059).

It is a junction number, because it is equal to n+sod(n) for n = 91075166982 and 91075167000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1643761 + ... + 1698263.

It is an arithmetic number, because the mean of its divisors is an integer number (1928836000).

Almost surely, 2^91075167036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91075167036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138876192000).

91075167036 is an abundant number, since it is smaller than the sum of its proper divisors (186677216964).

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

91075167036 is a wasteful number, since it uses less digits than its factorization.

91075167036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54888 (or 54883 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The spelling of 91075167036 in words is "ninety-one billion, seventy-five million, one hundred sixty-seven thousand, thirty-six".