61001005606 has 16 divisors (see below), whose sum is σ = 91720371024. Its totient is φ = 30427605504.

The previous prime is 61001005601. The next prime is 61001005607. The reversal of 61001005606 is 60650010016.

It is a super-2 number, since 2×61001005606² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001005601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364730 + ... + 2390386.

It is an arithmetic number, because the mean of its divisors is an integer number (5732523189).

Almost surely, 2^61001005606 is an apocalyptic number.

61001005606 is a deficient number, since it is larger than the sum of its proper divisors (30719365418).

61001005606 is a wasteful number, since it uses less digits than its factorization.

61001005606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28455.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 61001005606 in words is "sixty-one billion, one million, five thousand, six hundred six".