7331591601 has 12 divisors (see below), whose sum is σ = 10789890228. Its totient is φ = 4795506144.

The previous prime is 7331591599. The next prime is 7331591609. The reversal of 7331591601 is 1061951337.

7331591601 is a `hidden beast` number, since 7 + 3 + 3 + 1 + 591 + 60 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3495647376 + 3835944225 = 59124^2 + 61935^2 .

It is not a de Polignac number, because 7331591601 - 2¹ = 7331591599 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7331591609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7684630 + ... + 7685583.

It is an arithmetic number, because the mean of its divisors is an integer number (899157519).

Almost surely, 2^7331591601 is an apocalyptic number.

It is an amenable number.

7331591601 is a deficient number, since it is larger than the sum of its proper divisors (3458298627).

7331591601 is a wasteful number, since it uses less digits than its factorization.

7331591601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15370272 (or 15370269 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 7331591601 is about 85624.7137279886. The cubic root of 7331591601 is about 1942.6717360823.

The spelling of 7331591601 in words is "seven billion, three hundred thirty-one million, five hundred ninety-one thousand, six hundred one".