1620100247007 has 16 divisors (see below), whose sum is σ = 2480536264320. Its totient is φ = 930201098400.

The previous prime is 1620100246909. The next prime is 1620100247111. The reversal of 1620100247007 is 7007420010261.

It is not a de Polignac number, because 1620100247007 - 2³⁶ = 1551380770271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620100347007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291945344 + ... + 1291946597.

It is an arithmetic number, because the mean of its divisors is an integer number (155033516520).

Almost surely, 2^{1620100247007} is an apocalyptic number.

1620100247007 is a deficient number, since it is larger than the sum of its proper divisors (860436017313).

1620100247007 is a wasteful number, since it uses less digits than its factorization.

1620100247007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583891974.

The product of its (nonzero) digits is 4704, while the sum is 30.

Adding to 1620100247007 its reverse (7007420010261), we get a palindrome (8627520257268).

The spelling of 1620100247007 in words is "one trillion, six hundred twenty billion, one hundred million, two hundred forty-seven thousand, seven".