18351806602101 has 24 divisors (see below), whose sum is σ = 28474887151584. Its totient is φ = 10482745361760.

The previous prime is 18351806602061. The next prime is 18351806602141. The reversal of 18351806602101 is 10120660815381.

It is an interprime number because it is at equal distance from previous prime (18351806602061) and next prime (18351806602141).

It is not a de Polignac number, because 18351806602101 - 2⁹ = 18351806601589 is a prime.

It is a super-2 number, since 2×18351806602101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18351806602141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23430475 + ... + 24201048.

It is an arithmetic number, because the mean of its divisors is an integer number (1186453631316).

Almost surely, 2^{18351806602101} is an apocalyptic number.

It is an amenable number.

18351806602101 is a deficient number, since it is larger than the sum of its proper divisors (10123080549483).

18351806602101 is a wasteful number, since it uses less digits than its factorization.

18351806602101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47634161 (or 47634154 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 18351806602101 in words is "eighteen trillion, three hundred fifty-one billion, eight hundred six million, six hundred two thousand, one hundred one".