1625200640670 has 64 divisors (see below), whose sum is σ = 3904872551424. Its totient is φ = 432899249280.

The previous prime is 1625200640573. The next prime is 1625200640677. The reversal of 1625200640670 is 760460025261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625200640677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107742949 + ... + 107758031.

It is an arithmetic number, because the mean of its divisors is an integer number (61013633616).

Almost surely, 2^{1625200640670} is an apocalyptic number.

1625200640670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1625200640670 is an abundant number, since it is smaller than the sum of its proper divisors (2279671910754).

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

1625200640670 is a wasteful number, since it uses less digits than its factorization.

1625200640670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18897.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 1625200640670 in words is "one trillion, six hundred twenty-five billion, two hundred million, six hundred forty thousand, six hundred seventy".