99901266 has 16 divisors (see below), whose sum is σ = 201572064. Its totient is φ = 33005504.

The previous prime is 99901253. The next prime is 99901279. The reversal of 99901266 is 66210999.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99901253) and next prime (99901279).

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, 72996 + ... + 74351.

It is an arithmetic number, because the mean of its divisors is an integer number (12598254).

Almost surely, 2^99901266 is an apocalyptic number.

99901266 is an abundant number, since it is smaller than the sum of its proper divisors (101670798).

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

99901266 is a wasteful number, since it uses less digits than its factorization.

99901266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147465.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 99901266 is about 9995.0620808477. The cubic root of 99901266 is about 464.0060721807.

The spelling of 99901266 in words is "ninety-nine million, nine hundred one thousand, two hundred sixty-six".