61016066150731 has 2 divisors, whose sum is σ = 61016066150732. Its totient is φ = 61016066150730.

The previous prime is 61016066150587. The next prime is 61016066150779. The reversal of 61016066150731 is 13705166061016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61016066150731 - 2³³ = 61007476216139 is a prime.

It is a super-2 number, since 2×61016066150731² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61016006150731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30508033075365 + 30508033075366.

It is an arithmetic number, because the mean of its divisors is an integer number (30508033075366).

Almost surely, 2^{61016066150731} is an apocalyptic number.

61016066150731 is a deficient number, since it is larger than the sum of its proper divisors (1).

61016066150731 is an equidigital number, since it uses as much as digits as its factorization.

61016066150731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 61016066150731 in words is "sixty-one trillion, sixteen billion, sixty-six million, one hundred fifty thousand, seven hundred thirty-one".