61001605106 has 16 divisors (see below), whose sum is σ = 100011819264. Its totient is φ = 27734368464.

The previous prime is 61001605099. The next prime is 61001605109. The reversal of 61001605106 is 60150610016.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61001605109) 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, 17507330 + ... + 17510813.

It is an arithmetic number, because the mean of its divisors is an integer number (6250738704).

Almost surely, 2^61001605106 is an apocalyptic number.

61001605106 is a deficient number, since it is larger than the sum of its proper divisors (39010214158).

61001605106 is a wasteful number, since it uses less digits than its factorization.

61001605106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35018225.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 61001605106 in words is "sixty-one billion, one million, six hundred five thousand, one hundred six".