126162045378 has 48 divisors (see below), whose sum is σ = 281439934776. Its totient is φ = 40819994880.

The previous prime is 126162045377. The next prime is 126162045389. The reversal of 126162045378 is 873540261621.

126162045378 is a `hidden beast` number, since 1 + 2 + 616 + 20 + 4 + 5 + 3 + 7 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 124804638729 + 1357406649 = 353277^2 + 36843^2 .

It is a super-3 number, since 3×126162045378³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (126162045377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288501 + ... + 579272.

Almost surely, 2^126162045378 is an apocalyptic number.

126162045378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126162045378 is an abundant number, since it is smaller than the sum of its proper divisors (155277889398).

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

126162045378 is a wasteful number, since it uses less digits than its factorization.

126162045378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868019 (or 868016 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 126162045378 in words is "one hundred twenty-six billion, one hundred sixty-two million, forty-five thousand, three hundred seventy-eight".