6115001601666 has 16 divisors (see below), whose sum is σ = 12248732159424. Its totient is φ = 2035212374544.

The previous prime is 6115001601629. The next prime is 6115001601677. The reversal of 6115001601666 is 6661061005116.

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, 780368926 + ... + 780376761.

It is an arithmetic number, because the mean of its divisors is an integer number (765545759964).

Almost surely, 2^{6115001601666} is an apocalyptic number.

6115001601666 is an abundant number, since it is smaller than the sum of its proper divisors (6133730557758).

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

6115001601666 is a wasteful number, since it uses less digits than its factorization.

6115001601666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560746345.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 6115001601666 in words is "six trillion, one hundred fifteen billion, one million, six hundred one thousand, six hundred sixty-six".