16601620023061 has 4 divisors (see below), whose sum is σ = 16662880613824. Its totient is φ = 16540359432300.

The previous prime is 16601620023049. The next prime is 16601620023073. The reversal of 16601620023061 is 16032002610661.

16601620023061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (16601620023049) and next prime (16601620023073).

It is a cyclic number.

It is not a de Polignac number, because 16601620023061 - 2²⁵ = 16601586468629 is a prime.

It is a super-2 number, since 2×16601620023061² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16601620023011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30630294975 + ... + 30630295516.

It is an arithmetic number, because the mean of its divisors is an integer number (4165720153456).

Almost surely, 2^{16601620023061} is an apocalyptic number.

It is an amenable number.

16601620023061 is a deficient number, since it is larger than the sum of its proper divisors (61260590763).

16601620023061 is an equidigital number, since it uses as much as digits as its factorization.

16601620023061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61260590762.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 16601620023061 in words is "sixteen trillion, six hundred one billion, six hundred twenty million, twenty-three thousand, sixty-one".