6156920781590 has 32 divisors (see below), whose sum is σ = 11148769800000. Its totient is φ = 2448055830528.

The previous prime is 6156920781569. The next prime is 6156920781601. The reversal of 6156920781590 is 951870296516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612806 + ... + 3562214.

It is an arithmetic number, because the mean of its divisors is an integer number (348399056250).

Almost surely, 2^{6156920781590} is an apocalyptic number.

6156920781590 is a deficient number, since it is larger than the sum of its proper divisors (4991849018410).

6156920781590 is a wasteful number, since it uses less digits than its factorization.

6156920781590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950664.

The product of its (nonzero) digits is 8164800, while the sum is 59.

The spelling of 6156920781590 in words is "six trillion, one hundred fifty-six billion, nine hundred twenty million, seven hundred eighty-one thousand, five hundred ninety".