126278749662 has 16 divisors (see below), whose sum is σ = 271984999440. Its totient is φ = 38854999872.

The previous prime is 126278749661. The next prime is 126278749679. The reversal of 126278749662 is 266947872621.

It is a super-2 number, since 2×126278749662² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126278749596 and 126278749605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126278749661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809479087 + ... + 809479242.

It is an arithmetic number, because the mean of its divisors is an integer number (16999062465).

Almost surely, 2^126278749662 is an apocalyptic number.

126278749662 is an abundant number, since it is smaller than the sum of its proper divisors (145706249778).

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

126278749662 is a wasteful number, since it uses less digits than its factorization.

126278749662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618958347.

The product of its digits is 24385536, while the sum is 60.

The spelling of 126278749662 in words is "one hundred twenty-six billion, two hundred seventy-eight million, seven hundred forty-nine thousand, six hundred sixty-two".