246439401661 has 8 divisors (see below), whose sum is σ = 247054678200. Its totient is φ = 245824765440.

The previous prime is 246439401641. The next prime is 246439401667. The reversal of 246439401661 is 166104934642.

It can be written as a sum of positive squares in 4 ways, for example, as 1123255225 + 245316146436 = 33515^2 + 495294^2 .

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 246439401661 - 2²⁵ = 246405847229 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 (246439401667) 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, 615295 + ... + 933523.

It is an arithmetic number, because the mean of its divisors is an integer number (30881834775).

Almost surely, 2^246439401661 is an apocalyptic number.

It is an amenable number.

246439401661 is a deficient number, since it is larger than the sum of its proper divisors (615276539).

246439401661 is a wasteful number, since it uses less digits than its factorization.

246439401661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320159.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 246439401661 in words is "two hundred forty-six billion, four hundred thirty-nine million, four hundred one thousand, six hundred sixty-one".