61466205801 has 64 divisors (see below), whose sum is σ = 110183915520. Its totient is φ = 29435063040.

The previous prime is 61466205793. The next prime is 61466205833. The reversal of 61466205801 is 10850266416.

It is a happy number.

It is not a de Polignac number, because 61466205801 - 2³ = 61466205793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 61466205801.

It is not an unprimeable number, because it can be changed into a prime (61466205301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2308080 + ... + 2334558.

It is an arithmetic number, because the mean of its divisors is an integer number (1721623680).

Almost surely, 2^61466205801 is an apocalyptic number.

It is an amenable number.

61466205801 is a deficient number, since it is larger than the sum of its proper divisors (48717709719).

61466205801 is a wasteful number, since it uses less digits than its factorization.

61466205801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27286.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 61466205801 in words is "sixty-one billion, four hundred sixty-six million, two hundred five thousand, eight hundred one".