2061320998 has 16 divisors (see below), whose sum is σ = 3399634944. Its totient is φ = 929585160.

The previous prime is 2061320993. The next prime is 2061320999. The reversal of 2061320998 is 8990231602.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2061320998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061320993) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 366090 + ... + 371677.

It is an arithmetic number, because the mean of its divisors is an integer number (212477184).

Almost surely, 2^2061320998 is an apocalyptic number.

2061320998 is a deficient number, since it is larger than the sum of its proper divisors (1338313946).

2061320998 is a wasteful number, since it uses less digits than its factorization.

2061320998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737907.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2061320998 is about 45401.7730711037. The cubic root of 2061320998 is about 1272.6682483972.

The spelling of 2061320998 in words is "two billion, sixty-one million, three hundred twenty thousand, nine hundred ninety-eight".