61336199206491 has 32 divisors (see below), whose sum is σ = 89390525253120. Its totient is φ = 37100860742400.

The previous prime is 61336199206423. The next prime is 61336199206559. The reversal of 61336199206491 is 19460299163316.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (61336199206423) and next prime (61336199206559).

It is not a de Polignac number, because 61336199206491 - 2¹⁵ = 61336199173723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61336199206091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 991197090 + ... + 991258968.

It is an arithmetic number, because the mean of its divisors is an integer number (2793453914160).

Almost surely, 2^{61336199206491} is an apocalyptic number.

61336199206491 is a deficient number, since it is larger than the sum of its proper divisors (28054326046629).

61336199206491 is a wasteful number, since it uses less digits than its factorization.

61336199206491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120067.

The product of its (nonzero) digits is 11337408, while the sum is 60.

The spelling of 61336199206491 in words is "sixty-one trillion, three hundred thirty-six billion, one hundred ninety-nine million, two hundred six thousand, four hundred ninety-one".