61651161616106 has 16 divisors (see below), whose sum is σ = 92666371400064. Its totient is φ = 30762378794064.

The previous prime is 61651161616061. The next prime is 61651161616133. The reversal of 61651161616106 is 60161616115616.

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, 14296760 + ... + 18102476.

It is an arithmetic number, because the mean of its divisors is an integer number (5791648212504).

Almost surely, 2^{61651161616106} is an apocalyptic number.

61651161616106 is a deficient number, since it is larger than the sum of its proper divisors (31015209783958).

61651161616106 is a wasteful number, since it uses less digits than its factorization.

61651161616106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822325.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 61651161616106 in words is "sixty-one trillion, six hundred fifty-one billion, one hundred sixty-one million, six hundred sixteen thousand, one hundred six".