1617066157167 has 12 divisors (see below), whose sum is σ = 2341860827904. Its totient is φ = 1075229365920.

The previous prime is 1617066157151. The next prime is 1617066157207. The reversal of 1617066157167 is 7617516607161.

It is a happy number.

1617066157167 is a `hidden beast` number, since 1 + 6 + 1 + 7 + 0 + 6 + 6 + 1 + 571 + 67 = 666.

It is not a de Polignac number, because 1617066157167 - 2⁴ = 1617066157151 is a prime.

It is a super-2 number, since 2×1617066157167² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617066157367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234557934 + ... + 234564827.

It is an arithmetic number, because the mean of its divisors is an integer number (195155068992).

Almost surely, 2^{1617066157167} is an apocalyptic number.

1617066157167 is a deficient number, since it is larger than the sum of its proper divisors (724794670737).

1617066157167 is a wasteful number, since it uses less digits than its factorization.

1617066157167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469123150 (or 469123147 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 54.

The spelling of 1617066157167 in words is "one trillion, six hundred seventeen billion, sixty-six million, one hundred fifty-seven thousand, one hundred sixty-seven".