1620074415306 has 16 divisors (see below), whose sum is σ = 3430745820864. Its totient is φ = 508258640064.

The previous prime is 1620074415283. The next prime is 1620074415331. The reversal of 1620074415306 is 6035144700261.

It is a happy number.

It is a super-2 number, since 2×1620074415306² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7941541150 + ... + 7941541353.

It is an arithmetic number, because the mean of its divisors is an integer number (214421613804).

Almost surely, 2^{1620074415306} is an apocalyptic number.

1620074415306 is an abundant number, since it is smaller than the sum of its proper divisors (1810671405558).

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

1620074415306 is a wasteful number, since it uses less digits than its factorization.

1620074415306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15883082525.

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

The spelling of 1620074415306 in words is "one trillion, six hundred twenty billion, seventy-four million, four hundred fifteen thousand, three hundred six".