5142101661 has 24 divisors (see below), whose sum is σ = 7460456640. Its totient is φ = 3412886400.

The previous prime is 5142101659. The next prime is 5142101747. The reversal of 5142101661 is 1661012415.

It is not a de Polignac number, because 5142101661 - 2¹ = 5142101659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142201661) 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, 2378421 + ... + 2380581.

It is an arithmetic number, because the mean of its divisors is an integer number (310852360).

Almost surely, 2^5142101661 is an apocalyptic number.

It is an amenable number.

5142101661 is a deficient number, since it is larger than the sum of its proper divisors (2318354979).

5142101661 is a wasteful number, since it uses less digits than its factorization.

5142101661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5142101661 is about 71708.4490210184. The cubic root of 5142101661 is about 1726.0242224952.

The spelling of 5142101661 in words is "five billion, one hundred forty-two million, one hundred one thousand, six hundred sixty-one".