1025016657388 has 6 divisors (see below), whose sum is σ = 1793779150436. Its totient is φ = 512508328692.

The previous prime is 1025016657383. The next prime is 1025016657409. The reversal of 1025016657388 is 8837566105201.

It is not an unprimeable number, because it can be changed into a prime (1025016657383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128127082170 + ... + 128127082177.

Almost surely, 2^{1025016657388} is an apocalyptic number.

It is an amenable number.

1025016657388 is a deficient number, since it is larger than the sum of its proper divisors (768762493048).

1025016657388 is a wasteful number, since it uses less digits than its factorization.

1025016657388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256254164351 (or 256254164349 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 1025016657388 in words is "one trillion, twenty-five billion, sixteen million, six hundred fifty-seven thousand, three hundred eighty-eight".