61016562319 has 2 divisors, whose sum is σ = 61016562320. Its totient is φ = 61016562318.

The previous prime is 61016562289. The next prime is 61016562349. The reversal of 61016562319 is 91326561016.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (61016562289) and next prime (61016562349).

It is a cyclic number.

It is not a de Polignac number, because 61016562319 - 2²⁵ = 60983007887 is a prime.

It is a super-2 number, since 2×61016562319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61016562349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30508281159 + 30508281160.

It is an arithmetic number, because the mean of its divisors is an integer number (30508281160).

Almost surely, 2^61016562319 is an apocalyptic number.

61016562319 is a deficient number, since it is larger than the sum of its proper divisors (1).

61016562319 is an equidigital number, since it uses as much as digits as its factorization.

61016562319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 61016562319 in words is "sixty-one billion, sixteen million, five hundred sixty-two thousand, three hundred nineteen".