2991596146 has 16 divisors (see below), whose sum is σ = 5594673600. Its totient is φ = 1165556880.

The previous prime is 2991596093. The next prime is 2991596149. The reversal of 2991596146 is 6416951992.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2991596093 and 2991596102.

It is not an unprimeable number, because it can be changed into a prime (2991596149) 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, 9712821 + ... + 9713128.

It is an arithmetic number, because the mean of its divisors is an integer number (349667100).

Almost surely, 2^2991596146 is an apocalyptic number.

2991596146 is a deficient number, since it is larger than the sum of its proper divisors (2603077454).

2991596146 is a wasteful number, since it uses less digits than its factorization.

2991596146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19425969.

The product of its digits is 1049760, while the sum is 52.

The square root of 2991596146 is about 54695.4856089605. The cubic root of 2991596146 is about 1440.9015936317.

The spelling of 2991596146 in words is "two billion, nine hundred ninety-one million, five hundred ninety-six thousand, one hundred forty-six".