61065551662 has 16 divisors (see below), whose sum is σ = 95324312160. Its totient is φ = 29303390368.

The previous prime is 61065551653. The next prime is 61065551761. The reversal of 61065551662 is 26615556016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3142573 + ... + 3161944.

It is an arithmetic number, because the mean of its divisors is an integer number (5957769510).

Almost surely, 2^61065551662 is an apocalyptic number.

61065551662 is a deficient number, since it is larger than the sum of its proper divisors (34258760498).

61065551662 is a wasteful number, since it uses less digits than its factorization.

61065551662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304715.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 61065551662 in words is "sixty-one billion, sixty-five million, five hundred fifty-one thousand, six hundred sixty-two".