25329166632 has 288 divisors, whose sum is σ = 89183203200. Its totient is φ = 6418137600.

The previous prime is 25329166601. The next prime is 25329166637. The reversal of 25329166632 is 23666192352.

It is not an unprimeable number, because it can be changed into a prime (25329166637) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1583169 + ... + 1599087.

It is an arithmetic number, because the mean of its divisors is an integer number (309663900).

Almost surely, 2^25329166632 is an apocalyptic number.

25329166632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25329166632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44591601600).

25329166632 is an abundant number, since it is smaller than the sum of its proper divisors (63854036568).

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

25329166632 is a wasteful number, since it uses less digits than its factorization.

25329166632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15997 (or 15983 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The spelling of 25329166632 in words is "twenty-five billion, three hundred twenty-nine million, one hundred sixty-six thousand, six hundred thirty-two".