169049141438 has 32 divisors (see below), whose sum is σ = 261736543488. Its totient is φ = 81857952000.

The previous prime is 169049141423. The next prime is 169049141467. The reversal of 169049141438 is 834141940961.

It is a super-2 number, since 2×169049141438² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919633 + ... + 2005763.

It is an arithmetic number, because the mean of its divisors is an integer number (8179266984).

Almost surely, 2^169049141438 is an apocalyptic number.

169049141438 is a deficient number, since it is larger than the sum of its proper divisors (92687402050).

169049141438 is a wasteful number, since it uses less digits than its factorization.

169049141438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86448.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 169049141438 in words is "one hundred sixty-nine billion, forty-nine million, one hundred forty-one thousand, four hundred thirty-eight".