246605661 has 16 divisors (see below), whose sum is σ = 372237120. Its totient is φ = 161300880.

The previous prime is 246605659. The next prime is 246605687. The reversal of 246605661 is 166506642.

It is a happy number.

246605661 is a `hidden beast` number, since 2 + 46 + 605 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 246605661 - 2¹ = 246605659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246605641) 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, 84735 + ... + 87596.

It is an arithmetic number, because the mean of its divisors is an integer number (23264820).

Almost surely, 2^246605661 is an apocalyptic number.

It is an amenable number.

246605661 is a deficient number, since it is larger than the sum of its proper divisors (125631459).

246605661 is a wasteful number, since it uses less digits than its factorization.

246605661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172393 (or 172387 counting only the distinct ones).

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

The square root of 246605661 is about 15703.6830393383. The cubic root of 246605661 is about 627.0964573107.

The spelling of 246605661 in words is "two hundred forty-six million, six hundred five thousand, six hundred sixty-one".