2196652991 has 16 divisors (see below), whose sum is σ = 2399362560. Its totient is φ = 1998958080.

The previous prime is 2196652987. The next prime is 2196653003. The reversal of 2196652991 is 1992566912.

It is a cyclic number.

It is not a de Polignac number, because 2196652991 - 2² = 2196652987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196652951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276665 + ... + 284493.

It is an arithmetic number, because the mean of its divisors is an integer number (149960160).

Almost surely, 2^2196652991 is an apocalyptic number.

2196652991 is a deficient number, since it is larger than the sum of its proper divisors (202709569).

2196652991 is a wasteful number, since it uses less digits than its factorization.

2196652991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146.

The product of its digits is 524880, while the sum is 50.

The square root of 2196652991 is about 46868.4647817698. The cubic root of 2196652991 is about 1299.9315528065.

The spelling of 2196652991 in words is "two billion, one hundred ninety-six million, six hundred fifty-two thousand, nine hundred ninety-one".