101661070616601 has 16 divisors (see below), whose sum is σ = 137938002051648. Its totient is φ = 66581799710400.

The previous prime is 101661070616519. The next prime is 101661070616621. The reversal of 101661070616601 is 106616070166101.

It is not a de Polignac number, because 101661070616601 - 2¹⁹ = 101661070092313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101661070616621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338171911 + ... + 338472396.

It is an arithmetic number, because the mean of its divisors is an integer number (8621125128228).

Almost surely, 2^{101661070616601} is an apocalyptic number.

It is an amenable number.

101661070616601 is a deficient number, since it is larger than the sum of its proper divisors (36276931435047).

101661070616601 is an equidigital number, since it uses as much as digits as its factorization.

101661070616601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676645192.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 101661070616601 in words is "one hundred one trillion, six hundred sixty-one billion, seventy million, six hundred sixteen thousand, six hundred one".