161126377335 has 240 divisors, whose sum is σ = 376460330400. Its totient is φ = 65148572160.

The previous prime is 161126377327. The next prime is 161126377361. The reversal of 161126377335 is 533773621161.

161126377335 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 2 + 637 + 7 + 3 + 3 + 5 = 666.

It is not a de Polignac number, because 161126377335 - 2³ = 161126377327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 8066941 + ... + 8086889.

It is an arithmetic number, because the mean of its divisors is an integer number (1568584710).

Almost surely, 2^161126377335 is an apocalyptic number.

161126377335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161126377335 is an abundant number, since it is smaller than the sum of its proper divisors (215333953065).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161126377335 is a wasteful number, since it uses less digits than its factorization.

161126377335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028 (or 20012 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

Adding to 161126377335 its reverse (533773621161), we get a palindrome (694899998496).

The spelling of 161126377335 in words is "one hundred sixty-one billion, one hundred twenty-six million, three hundred seventy-seven thousand, three hundred thirty-five".