6161520426 has 32 divisors (see below), whose sum is σ = 13366176768. Its totient is φ = 1885877760.

The previous prime is 6161520419. The next prime is 6161520433. The reversal of 6161520426 is 6240251616.

It is an interprime number because it is at equal distance from previous prime (6161520419) and next prime (6161520433).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732490 + ... + 740853.

It is an arithmetic number, because the mean of its divisors is an integer number (417693024).

Almost surely, 2^6161520426 is an apocalyptic number.

6161520426 is an abundant number, since it is smaller than the sum of its proper divisors (7204656342).

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

6161520426 is a wasteful number, since it uses less digits than its factorization.

6161520426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473406.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 6161520426 is about 78495.3528942956. The cubic root of 6161520426 is about 1833.2820977490.

The spelling of 6161520426 in words is "six billion, one hundred sixty-one million, five hundred twenty thousand, four hundred twenty-six".