6157745554 has 16 divisors (see below), whose sum is σ = 9286459416. Its totient is φ = 3062304000.

The previous prime is 6157745533. The next prime is 6157745557. The reversal of 6157745554 is 4555477516.

It can be written as a sum of positive squares in 4 ways, for example, as 3870706225 + 2287039329 = 62215^2 + 47823^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6157745498 and 6157745507.

It is not an unprimeable number, because it can be changed into a prime (6157745557) 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 7 ways as a sum of consecutive naturals, for example, 272904 + ... + 294604.

Almost surely, 2^6157745554 is an apocalyptic number.

6157745554 is a deficient number, since it is larger than the sum of its proper divisors (3128713862).

6157745554 is a wasteful number, since it uses less digits than its factorization.

6157745554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22461.

The product of its digits is 2940000, while the sum is 49.

The square root of 6157745554 is about 78471.3040161816. The cubic root of 6157745554 is about 1832.9076328697.

The spelling of 6157745554 in words is "six billion, one hundred fifty-seven million, seven hundred forty-five thousand, five hundred fifty-four".