1656106450601 has 8 divisors (see below), whose sum is σ = 1728918281664. Its totient is φ = 1583361886480.

The previous prime is 1656106450589. The next prime is 1656106450633. The reversal of 1656106450601 is 1060546016561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1656106450601 - 2³⁴ = 1638926581417 is a prime.

It is a super-2 number, since 2×1656106450601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1656106450651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16766411 + ... + 16864896.

It is an arithmetic number, because the mean of its divisors is an integer number (216114785208).

Almost surely, 2^{1656106450601} is an apocalyptic number.

It is an amenable number.

1656106450601 is a deficient number, since it is larger than the sum of its proper divisors (72811831063).

1656106450601 is a wasteful number, since it uses less digits than its factorization.

1656106450601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33633471.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 1656106450601 in words is "one trillion, six hundred fifty-six billion, one hundred six million, four hundred fifty thousand, six hundred one".