1625434201612 has 96 divisors (see below), whose sum is σ = 3315622020480. Its totient is φ = 690975774720.

The previous prime is 1625434201541. The next prime is 1625434201613. The reversal of 1625434201612 is 2161024345261.

It is not an unprimeable number, because it can be changed into a prime (1625434201613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12874312 + ... + 12999952.

It is an arithmetic number, because the mean of its divisors is an integer number (34537729380).

Almost surely, 2^{1625434201612} is an apocalyptic number.

It is an amenable number.

1625434201612 is an abundant number, since it is smaller than the sum of its proper divisors (1690187818868).

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

1625434201612 is a wasteful number, since it uses less digits than its factorization.

1625434201612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126083 (or 126081 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 1625434201612 its reverse (2161024345261), we get a palindrome (3786458546873).

The spelling of 1625434201612 in words is "one trillion, six hundred twenty-five billion, four hundred thirty-four million, two hundred one thousand, six hundred twelve".