245122467966 has 72 divisors (see below), whose sum is σ = 556976980872. Its totient is φ = 77891220000.

The previous prime is 245122467949. The next prime is 245122467977. The reversal of 245122467966 is 669764221542.

245122467966 is a `hidden beast` number, since 2 + 4 + 512 + 2 + 4 + 67 + 9 + 66 = 666.

It is a super-3 number, since 3×245122467966³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1053216 + ... + 1264716.

It is an arithmetic number, because the mean of its divisors is an integer number (7735791401).

Almost surely, 2^245122467966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245122467966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278488490436).

245122467966 is an abundant number, since it is smaller than the sum of its proper divisors (311854512906).

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

245122467966 is a wasteful number, since it uses less digits than its factorization.

245122467966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211638 (or 211604 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 245122467966 in words is "two hundred forty-five billion, one hundred twenty-two million, four hundred sixty-seven thousand, nine hundred sixty-six".