1656100006606 has 32 divisors (see below), whose sum is σ = 2611233934848. Its totient is φ = 786749150880.

The previous prime is 1656100006601. The next prime is 1656100006703. The reversal of 1656100006606 is 6066000016561.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656100006601) 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, 14015151 + ... + 14132821.

It is an arithmetic number, because the mean of its divisors is an integer number (81601060464).

Almost surely, 2^{1656100006606} is an apocalyptic number.

1656100006606 is a deficient number, since it is larger than the sum of its proper divisors (955133928242).

1656100006606 is a wasteful number, since it uses less digits than its factorization.

1656100006606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122176.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 1656100006606 in words is "one trillion, six hundred fifty-six billion, one hundred million, six thousand, six hundred six".