1025163672 has 64 divisors (see below), whose sum is σ = 2827409760. Its totient is φ = 307737600.

The previous prime is 1025163653. The next prime is 1025163673. The reversal of 1025163672 is 2763615201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025163673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27279 + ... + 52862.

Almost surely, 2^1025163672 is an apocalyptic number.

1025163672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1025163672 is an abundant number, since it is smaller than the sum of its proper divisors (1802246088).

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

1025163672 is a wasteful number, since it uses less digits than its factorization.

1025163672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80204 (or 80200 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1025163672 is about 32018.1772123274. The cubic root of 1025163672 is about 1008.3185013292.

Adding to 1025163672 its reverse (2763615201), we get a palindrome (3788778873).

The spelling of 1025163672 in words is "one billion, twenty-five million, one hundred sixty-three thousand, six hundred seventy-two".