1217116161074 has 16 divisors (see below), whose sum is σ = 2010980986560. Its totient is φ = 547863407760.

The previous prime is 1217116161031. The next prime is 1217116161077. The reversal of 1217116161074 is 4701616117121.

It is a super-2 number, since 2×1217116161074² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1217116161077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268558229 + ... + 268562760.

It is an arithmetic number, because the mean of its divisors is an integer number (125686311660).

Almost surely, 2^{1217116161074} is an apocalyptic number.

1217116161074 is a deficient number, since it is larger than the sum of its proper divisors (793864825486).

1217116161074 is a wasteful number, since it uses less digits than its factorization.

1217116161074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537121105.

The product of its (nonzero) digits is 14112, while the sum is 38.

The spelling of 1217116161074 in words is "one trillion, two hundred seventeen billion, one hundred sixteen million, one hundred sixty-one thousand, seventy-four".