25430310066 has 32 divisors (see below), whose sum is σ = 58284840960. Its totient is φ = 7246000656.

The previous prime is 25430310053. The next prime is 25430310079. The reversal of 25430310066 is 66001303452.

It is an interprime number because it is at equal distance from previous prime (25430310053) and next prime (25430310079).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809496 + ... + 840323.

It is an arithmetic number, because the mean of its divisors is an integer number (1821401280).

Almost surely, 2^25430310066 is an apocalyptic number.

25430310066 is an abundant number, since it is smaller than the sum of its proper divisors (32854530894).

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

25430310066 is a wasteful number, since it uses less digits than its factorization.

25430310066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650198.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 25430310066 in words is "twenty-five billion, four hundred thirty million, three hundred ten thousand, sixty-six".