1606650056501 has 8 divisors (see below), whose sum is σ = 1944181581120. Its totient is φ = 1296121053888.

The previous prime is 1606650056497. The next prime is 1606650056593. The reversal of 1606650056501 is 1056500566061.

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 1606650056501 - 2² = 1606650056497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606650056101) by changing a digit.

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, 6750630371 + ... + 6750630608.

It is an arithmetic number, because the mean of its divisors is an integer number (243022697640).

Almost surely, 2^{1606650056501} is an apocalyptic number.

It is an amenable number.

1606650056501 is a deficient number, since it is larger than the sum of its proper divisors (337531524619).

1606650056501 is a wasteful number, since it uses less digits than its factorization.

1606650056501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13501261003.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 1606650056501 in words is "one trillion, six hundred six billion, six hundred fifty million, fifty-six thousand, five hundred one".