246561966 has 48 divisors (see below), whose sum is σ = 612559584. Its totient is φ = 70212672.

The previous prime is 246561961. The next prime is 246561971. The reversal of 246561966 is 669165642.

246561966 is a `hidden beast` number, since 24 + 6 + 5 + 619 + 6 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (246561961) and next prime (246561971).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246561961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36856 + ... + 43028.

It is an arithmetic number, because the mean of its divisors is an integer number (12761658).

Almost surely, 2^246561966 is an apocalyptic number.

246561966 is an abundant number, since it is smaller than the sum of its proper divisors (365997618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

246561966 is a wasteful number, since it uses less digits than its factorization.

246561966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505 (or 6502 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 246561966 is about 15702.2917435641. The cubic root of 246561966 is about 627.0594176119.

The spelling of 246561966 in words is "two hundred forty-six million, five hundred sixty-one thousand, nine hundred sixty-six".