101066661501 has 8 divisors (see below), whose sum is σ = 145121360160. Its totient is φ = 62194868592.

The previous prime is 101066661463. The next prime is 101066661503. The reversal of 101066661501 is 105166660101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101066661501 - 2¹⁴ = 101066645117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101066661503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295726391 + ... + 1295726468.

It is an arithmetic number, because the mean of its divisors is an integer number (18140170020).

Almost surely, 2^101066661501 is an apocalyptic number.

It is an amenable number.

101066661501 is a deficient number, since it is larger than the sum of its proper divisors (44054698659).

101066661501 is a wasteful number, since it uses less digits than its factorization.

101066661501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591452875.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 101066661501 in words is "one hundred one billion, sixty-six million, six hundred sixty-one thousand, five hundred one".