7091668080 has 180 divisors, whose sum is σ = 27704679912. Its totient is φ = 1620944640.

The previous prime is 7091668061. The next prime is 7091668117. The reversal of 7091668080 is 808661907.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65226 + ... + 135785.

Almost surely, 2^7091668080 is an apocalyptic number.

7091668080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7091668080 is an abundant number, since it is smaller than the sum of its proper divisors (20613011832).

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

7091668080 is a wasteful number, since it uses less digits than its factorization.

7091668080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201044 (or 201028 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 7091668080 is about 84212.0423692479. The cubic root of 7091668080 is about 1921.2452208801.

The spelling of 7091668080 in words is "seven billion, ninety-one million, six hundred sixty-eight thousand, eighty".