25132531662 has 32 divisors (see below), whose sum is σ = 63828652800. Its totient is φ = 7180723224.

The previous prime is 25132531651. The next prime is 25132531673. The reversal of 25132531662 is 26613523152.

25132531662 is a `hidden beast` number, since 251 + 32 + 5 + 316 + 62 = 666.

It is an interprime number because it is at equal distance from previous prime (25132531651) and next prime (25132531673).

It is a congruent 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, 33243712 + ... + 33244467.

It is an arithmetic number, because the mean of its divisors is an integer number (1994645400).

Almost surely, 2^25132531662 is an apocalyptic number.

25132531662 is an abundant number, since it is smaller than the sum of its proper divisors (38696121138).

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

25132531662 is a wasteful number, since it uses less digits than its factorization.

25132531662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66488197 (or 66488191 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 25132531662 in words is "twenty-five billion, one hundred thirty-two million, five hundred thirty-one thousand, six hundred sixty-two".