10165642066 has 8 divisors (see below), whose sum is σ = 15309214704. Its totient is φ = 5062570500.

The previous prime is 10165642063. The next prime is 10165642073. The reversal of 10165642066 is 66024656101.

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

It is a super-2 number, since 2×10165642066² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10165642061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10124640 + ... + 10125643.

It is an arithmetic number, because the mean of its divisors is an integer number (1913651838).

Almost surely, 2^10165642066 is an apocalyptic number.

10165642066 is a deficient number, since it is larger than the sum of its proper divisors (5143572638).

10165642066 is a wasteful number, since it uses less digits than its factorization.

10165642066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20250536.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 10165642066 in words is "ten billion, one hundred sixty-five million, six hundred forty-two thousand, sixty-six".