66162602101 has 4 divisors (see below), whose sum is σ = 66163782304. Its totient is φ = 66161421900.

The previous prime is 66162602083. The next prime is 66162602113. The reversal of 66162602101 is 10120626166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66162602101 - 2²⁹ = 65625731189 is a prime.

It is a super-2 number, since 2×66162602101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66162605101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501585 + ... + 619606.

It is an arithmetic number, because the mean of its divisors is an integer number (16540945576).

Almost surely, 2^66162602101 is an apocalyptic number.

It is an amenable number.

66162602101 is a deficient number, since it is larger than the sum of its proper divisors (1180203).

66162602101 is a wasteful number, since it uses less digits than its factorization.

66162602101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180202.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 66162602101 in words is "sixty-six billion, one hundred sixty-two million, six hundred two thousand, one hundred one".