7091616 has 96 divisors (see below), whose sum is σ = 21748608. Its totient is φ = 1981440.

The previous prime is 7091599. The next prime is 7091621. The reversal of 7091616 is 6161907.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40906 + ... + 41078.

It is an arithmetic number, because the mean of its divisors is an integer number (226548).

Almost surely, 2^7091616 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 7091616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10874304).

7091616 is an abundant number, since it is smaller than the sum of its proper divisors (14656992).

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

7091616 is a wasteful number, since it uses less digits than its factorization.

7091616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 7091616 is about 2663.0088246193. The cubic root of 7091616 is about 192.1240517770.

The spelling of 7091616 in words is "seven million, ninety-one thousand, six hundred sixteen".