101612721674 has 16 divisors (see below), whose sum is σ = 163657941696. Its totient is φ = 47144260800.

The previous prime is 101612721659. The next prime is 101612721689. The reversal of 101612721674 is 476127216101.

It is an interprime number because it is at equal distance from previous prime (101612721659) and next prime (101612721689).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21044132 + ... + 21048959.

It is an arithmetic number, because the mean of its divisors is an integer number (10228621356).

Almost surely, 2^101612721674 is an apocalyptic number.

101612721674 is a deficient number, since it is larger than the sum of its proper divisors (62045220022).

101612721674 is a wasteful number, since it uses less digits than its factorization.

101612721674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42093181.

The product of its (nonzero) digits is 28224, while the sum is 38.

Adding to 101612721674 its reverse (476127216101), we get a palindrome (577739937775).

The spelling of 101612721674 in words is "one hundred one billion, six hundred twelve million, seven hundred twenty-one thousand, six hundred seventy-four".