4006655651 has 8 divisors (see below), whose sum is σ = 4028899680. Its totient is φ = 3984455232.

The previous prime is 4006655633. The next prime is 4006655657. The reversal of 4006655651 is 1565566004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4006655651 - 2¹⁰ = 4006654627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4006655657) 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, 182786 + ... + 203528.

It is an arithmetic number, because the mean of its divisors is an integer number (503612460).

Almost surely, 2^4006655651 is an apocalyptic number.

4006655651 is a deficient number, since it is larger than the sum of its proper divisors (22244029).

4006655651 is a wasteful number, since it uses less digits than its factorization.

4006655651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21805.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 4006655651 is about 63298.1488749869. The cubic root of 4006655651 is about 1588.2809963815.

The spelling of 4006655651 in words is "four billion, six million, six hundred fifty-five thousand, six hundred fifty-one".