1620253324050 has 24 divisors (see below), whose sum is σ = 4018228244016. Its totient is φ = 432067553040.

The previous prime is 1620253324049. The next prime is 1620253324051. The reversal of 1620253324050 is 504233520261.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1620253324049) and next prime (1620253324051).

It is not an unprimeable number, because it can be changed into a prime (1620253324051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5400844264 + ... + 5400844563.

It is an arithmetic number, because the mean of its divisors is an integer number (167426176834).

Almost surely, 2^{1620253324050} is an apocalyptic number.

1620253324050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1620253324050 is an abundant number, since it is smaller than the sum of its proper divisors (2397974919966).

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

1620253324050 is a wasteful number, since it uses less digits than its factorization.

1620253324050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801688842 (or 10801688837 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 1620253324050 in words is "one trillion, six hundred twenty billion, two hundred fifty-three million, three hundred twenty-four thousand, fifty".