4661401653 has 24 divisors (see below), whose sum is σ = 6849585600. Its totient is φ = 3054072384.

The previous prime is 4661401631. The next prime is 4661401663. The reversal of 4661401653 is 3561041664.

It is a happy number.

4661401653 is a `hidden beast` number, since 466 + 140 + 1 + 6 + 53 = 666.

It is not a de Polignac number, because 4661401653 - 2⁵ = 4661401621 is a prime.

It is a super-2 number, since 2×4661401653² = 43457330741182264818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661401603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255913 + ... + 273521.

It is an arithmetic number, because the mean of its divisors is an integer number (285399400).

Almost surely, 2^4661401653 is an apocalyptic number.

It is an amenable number.

4661401653 is a deficient number, since it is larger than the sum of its proper divisors (2188183947).

4661401653 is a wasteful number, since it uses less digits than its factorization.

4661401653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18121 (or 18118 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 4661401653 is about 68274.4582768695. The cubic root of 4661401653 is about 1670.4706208255.

The spelling of 4661401653 in words is "four billion, six hundred sixty-one million, four hundred one thousand, six hundred fifty-three".