9151616 has 64 divisors (see below), whose sum is σ = 19828800. Its totient is φ = 4193280.

The previous prime is 9151613. The next prime is 9151619. The reversal of 9151616 is 6161519.

It is an interprime number because it is at equal distance from previous prime (9151613) and next prime (9151619).

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×9151616² = 167504150822912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9151613) 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, 128861 + ... + 128931.

It is an arithmetic number, because the mean of its divisors is an integer number (309825).

Almost surely, 2^9151616 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 9151616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9914400).

9151616 is an abundant number, since it is smaller than the sum of its proper divisors (10677184).

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

9151616 is a wasteful number, since it uses less digits than its factorization.

9151616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 145 counting only the distinct ones).

The product of its digits is 1620, while the sum is 29.

The square root of 9151616 is about 3025.1637972183. The cubic root of 9151616 is about 209.1699357348.

The spelling of 9151616 in words is "nine million, one hundred fifty-one thousand, six hundred sixteen".