4051952661 has 16 divisors (see below), whose sum is σ = 5510804544. Its totient is φ = 2647317504.

The previous prime is 4051952657. The next prime is 4051952777. The reversal of 4051952661 is 1662591504.

It is not a de Polignac number, because 4051952661 - 2² = 4051952657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051952561) 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, 130165 + ... + 158261.

It is an arithmetic number, because the mean of its divisors is an integer number (344425284).

Almost surely, 2^4051952661 is an apocalyptic number.

It is an amenable number.

4051952661 is a deficient number, since it is larger than the sum of its proper divisors (1458851883).

4051952661 is a wasteful number, since it uses less digits than its factorization.

4051952661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29060.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 4051952661 is about 63654.9500117626. The cubic root of 4051952661 is about 1594.2439869286.

The spelling of 4051952661 in words is "four billion, fifty-one million, nine hundred fifty-two thousand, six hundred sixty-one".