91102046 has 16 divisors (see below), whose sum is σ = 156297600. Its totient is φ = 39013080.

The previous prime is 91102043. The next prime is 91102049. The reversal of 91102046 is 64020119.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (91102043) and next prime (91102049).

It is a super-2 number, since 2×91102046² = 16599165570772232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91102043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32405 + ... + 35103.

It is an arithmetic number, because the mean of its divisors is an integer number (9768600).

Almost surely, 2^91102046 is an apocalyptic number.

91102046 is a deficient number, since it is larger than the sum of its proper divisors (65195554).

91102046 is a wasteful number, since it uses less digits than its factorization.

91102046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5119.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 91102046 is about 9544.7391792547. The cubic root of 91102046 is about 449.9622124648.

The spelling of 91102046 in words is "ninety-one million, one hundred two thousand, forty-six".