91462660146 has 192 divisors, whose sum is σ = 235447430400. Its totient is φ = 25296261120.

The previous prime is 91462660117. The next prime is 91462660147. The reversal of 91462660146 is 64106626419.

It is a happy number.

91462660146 is a `hidden beast` number, since 9 + 1 + 4 + 626 + 6 + 0 + 14 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91462660147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 152691955 + ... + 152692553.

It is an arithmetic number, because the mean of its divisors is an integer number (1226288700).

Almost surely, 2^91462660146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91462660146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117723715200).

91462660146 is an abundant number, since it is smaller than the sum of its proper divisors (143984770254).

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

91462660146 is a wasteful number, since it uses less digits than its factorization.

91462660146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 91462660146 in words is "ninety-one billion, four hundred sixty-two million, six hundred sixty thousand, one hundred forty-six".