3721119739168 has 48 divisors (see below), whose sum is σ = 7909771254840. Its totient is φ = 1713024792576.

The previous prime is 3721119739121. The next prime is 3721119739277. The reversal of 3721119739168 is 8619379111273.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2504660742544 + 1216458996624 = 1582612^2 + 1102932^2 .

It is a super-2 number, since 2×3721119739168² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11335605 + ... + 11659252.

Almost surely, 2^{3721119739168} is an apocalyptic number.

It is an amenable number.

3721119739168 is an abundant number, since it is smaller than the sum of its proper divisors (4188651515672).

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

3721119739168 is a wasteful number, since it uses less digits than its factorization.

3721119739168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22995269 (or 22995261 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 58.

The spelling of 3721119739168 in words is "three trillion, seven hundred twenty-one billion, one hundred nineteen million, seven hundred thirty-nine thousand, one hundred sixty-eight".