1611656515106 has 16 divisors (see below), whose sum is σ = 2792388828960. Its totient is φ = 689478722880.

The previous prime is 1611656515087. The next prime is 1611656515193. The reversal of 1611656515106 is 6015156561161.

It is a Curzon number.

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, 2154620636 + ... + 2154621383.

It is an arithmetic number, because the mean of its divisors is an integer number (174524301810).

Almost surely, 2^{1611656515106} is an apocalyptic number.

1611656515106 is a deficient number, since it is larger than the sum of its proper divisors (1180732313854).

1611656515106 is a wasteful number, since it uses less digits than its factorization.

1611656515106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309242049.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 1611656515106 in words is "one trillion, six hundred eleven billion, six hundred fifty-six million, five hundred fifteen thousand, one hundred six".