1181674537338 has 32 divisors (see below), whose sum is σ = 2487836413440. Its totient is φ = 373145298480.

The previous prime is 1181674537271. The next prime is 1181674537387. The reversal of 1181674537338 is 8337354761811.

It is a super-2 number, since 2×1181674537338² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon 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, 2814133 + ... + 3206663.

It is an arithmetic number, because the mean of its divisors is an integer number (77744887920).

Almost surely, 2^{1181674537338} is an apocalyptic number.

1181674537338 is an abundant number, since it is smaller than the sum of its proper divisors (1306161876102).

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

1181674537338 is a wasteful number, since it uses less digits than its factorization.

1181674537338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418962.

The product of its digits is 10160640, while the sum is 57.

The spelling of 1181674537338 in words is "one trillion, one hundred eighty-one billion, six hundred seventy-four million, five hundred thirty-seven thousand, three hundred thirty-eight".