1161553931167 has 16 divisors (see below), whose sum is σ = 1396621219392. Its totient is φ = 945082010880.

The previous prime is 1161553931149. The next prime is 1161553931179. The reversal of 1161553931167 is 7611393551611.

It is not a de Polignac number, because 1161553931167 - 2¹⁵ = 1161553898399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1161553931167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161553931107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54681628 + ... + 54702865.

It is an arithmetic number, because the mean of its divisors is an integer number (87288826212).

Almost surely, 2^{1161553931167} is an apocalyptic number.

1161553931167 is a deficient number, since it is larger than the sum of its proper divisors (235067288225).

1161553931167 is a wasteful number, since it uses less digits than its factorization.

1161553931167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109384578.

The product of its digits is 510300, while the sum is 49.

The spelling of 1161553931167 in words is "one trillion, one hundred sixty-one billion, five hundred fifty-three million, nine hundred thirty-one thousand, one hundred sixty-seven".