61603459031697 has 32 divisors (see below), whose sum is σ = 91803622651776. Its totient is φ = 36419609971200.

The previous prime is 61603459031663. The next prime is 61603459031701. The reversal of 61603459031697 is 79613095430616.

It is not a de Polignac number, because 61603459031697 - 2¹⁸ = 61603458769553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61603459031697.

It is not an unprimeable number, because it can be changed into a prime (61603459031617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6242403 + ... + 12734775.

It is an arithmetic number, because the mean of its divisors is an integer number (2868863207868).

Almost surely, 2^{61603459031697} is an apocalyptic number.

It is an amenable number.

61603459031697 is a deficient number, since it is larger than the sum of its proper divisors (30200163620079).

61603459031697 is a wasteful number, since it uses less digits than its factorization.

61603459031697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499441.

The product of its (nonzero) digits is 22044960, while the sum is 60.

The spelling of 61603459031697 in words is "sixty-one trillion, six hundred three billion, four hundred fifty-nine million, thirty-one thousand, six hundred ninety-seven".