61164462637273 has 8 divisors (see below), whose sum is σ = 64384111719200. Its totient is φ = 57944860239168.

The previous prime is 61164462637253. The next prime is 61164462637277. The reversal of 61164462637273 is 37273626446116.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-61164462637273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61164462637277) 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, 8965536 + ... + 14237617.

It is an arithmetic number, because the mean of its divisors is an integer number (8048013964900).

Almost surely, 2^{61164462637273} is an apocalyptic number.

It is an amenable number.

61164462637273 is a deficient number, since it is larger than the sum of its proper divisors (3219649081927).

61164462637273 is a wasteful number, since it uses less digits than its factorization.

61164462637273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23341911.

The product of its digits is 36578304, while the sum is 58.

The spelling of 61164462637273 in words is "sixty-one trillion, one hundred sixty-four billion, four hundred sixty-two million, six hundred thirty-seven thousand, two hundred seventy-three".