246607661 has 8 divisors (see below), whose sum is σ = 267483384. Its totient is φ = 226439680.

The previous prime is 246607657. The next prime is 246607667. The reversal of 246607661 is 166706642.

It can be written as a sum of positive squares in 4 ways, for example, as 46922500 + 199685161 = 6850^2 + 14131^2 .

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 246607661 - 2² = 246607657 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 (246607667) 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, 176210 + ... + 177603.

It is an arithmetic number, because the mean of its divisors is an integer number (33435423).

Almost surely, 2^246607661 is an apocalyptic number.

It is an amenable number.

246607661 is a deficient number, since it is larger than the sum of its proper divisors (20875723).

246607661 is a wasteful number, since it uses less digits than its factorization.

246607661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353871.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 246607661 is about 15703.7467185382. The cubic root of 246607661 is about 627.0981525806.

The spelling of 246607661 in words is "two hundred forty-six million, six hundred seven thousand, six hundred sixty-one".