1625641651562 has 16 divisors (see below), whose sum is σ = 2490382540800. Its totient is φ = 795514664208.

The previous prime is 1625641651531. The next prime is 1625641651643. The reversal of 1625641651562 is 2651561465261.

It is a self number, because there is not a number n which added to its sum of digits gives 1625641651562.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12028439 + ... + 12162837.

It is an arithmetic number, because the mean of its divisors is an integer number (155648908800).

Almost surely, 2^{1625641651562} is an apocalyptic number.

1625641651562 is a deficient number, since it is larger than the sum of its proper divisors (864740889238).

1625641651562 is a wasteful number, since it uses less digits than its factorization.

1625641651562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263125.

The product of its digits is 2592000, while the sum is 50.

The spelling of 1625641651562 in words is "one trillion, six hundred twenty-five billion, six hundred forty-one million, six hundred fifty-one thousand, five hundred sixty-two".