6161620426 has 32 divisors (see below), whose sum is σ = 10002867840. Its totient is φ = 2829733056.

The previous prime is 6161620391. The next prime is 6161620427. The reversal of 6161620426 is 6240261616.

It is a junction number, because it is equal to n+sod(n) for n = 6161620391 and 6161620400.

It is not an unprimeable number, because it can be changed into a prime (6161620427) 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 15 ways as a sum of consecutive naturals, for example, 7432180 + ... + 7433008.

It is an arithmetic number, because the mean of its divisors is an integer number (312589620).

Almost surely, 2^6161620426 is an apocalyptic number.

6161620426 is a deficient number, since it is larger than the sum of its proper divisors (3841247414).

6161620426 is a wasteful number, since it uses less digits than its factorization.

6161620426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 6161620426 is about 78495.9898720947. The cubic root of 6161620426 is about 1833.2920156051.

The spelling of 6161620426 in words is "six billion, one hundred sixty-one million, six hundred twenty thousand, four hundred twenty-six".