106010166621 has 4 divisors (see below), whose sum is σ = 141346888832. Its totient is φ = 70673444412.

The previous prime is 106010166611. The next prime is 106010166649. The reversal of 106010166621 is 126661010601.

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 not a de Polignac number, because 106010166621 - 2⁵ = 106010166589 is a prime.

It is a super-2 number, since 2×106010166621² (a number of 23 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 (106010166611) 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, 17668361101 + ... + 17668361106.

It is an arithmetic number, because the mean of its divisors is an integer number (35336722208).

Almost surely, 2^106010166621 is an apocalyptic number.

It is an amenable number.

106010166621 is a deficient number, since it is larger than the sum of its proper divisors (35336722211).

106010166621 is an equidigital number, since it uses as much as digits as its factorization.

106010166621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35336722210.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 106010166621 in words is "one hundred six billion, ten million, one hundred sixty-six thousand, six hundred twenty-one".