100605606061 has 12 divisors (see below), whose sum is σ = 104300318080. Its totient is φ = 96940787040.

The previous prime is 100605606019. The next prime is 100605606067. The reversal of 100605606061 is 160606506001.

It is not a de Polignac number, because 100605606061 - 2²¹ = 100603508909 is a prime.

It is a super-2 number, since 2×100605606061² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100605606067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1653070 + ... + 1712848.

Almost surely, 2^100605606061 is an apocalyptic number.

It is an amenable number.

100605606061 is a deficient number, since it is larger than the sum of its proper divisors (3694712019).

100605606061 is an frugal number, since it uses more digits than its factorization.

100605606061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60276 (or 60043 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 100605606061 in words is "one hundred billion, six hundred five million, six hundred six thousand, sixty-one".