61296916461 has 16 divisors (see below), whose sum is σ = 89449586688. Its totient is φ = 37028631600.

The previous prime is 61296916459. The next prime is 61296916487. The reversal of 61296916461 is 16461969216.

It is a happy number.

It is not a de Polignac number, because 61296916461 - 2¹ = 61296916459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61296916411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015085 + ... + 3035346.

It is an arithmetic number, because the mean of its divisors is an integer number (5590599168).

Almost surely, 2^61296916461 is an apocalyptic number.

It is an amenable number.

61296916461 is a deficient number, since it is larger than the sum of its proper divisors (28152670227).

61296916461 is a wasteful number, since it uses less digits than its factorization.

61296916461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050752.

The product of its digits is 839808, while the sum is 51.

The spelling of 61296916461 in words is "sixty-one billion, two hundred ninety-six million, nine hundred sixteen thousand, four hundred sixty-one".