1988336670 has 16 divisors (see below), whose sum is σ = 4772008080. Its totient is φ = 530223104.

The previous prime is 1988336633. The next prime is 1988336671. The reversal of 1988336670 is 766338891.

1988336670 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988336671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33138915 + ... + 33138974.

It is an arithmetic number, because the mean of its divisors is an integer number (298250505).

Almost surely, 2^1988336670 is an apocalyptic number.

1988336670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1988336670 is an abundant number, since it is smaller than the sum of its proper divisors (2783671410).

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

1988336670 is a wasteful number, since it uses less digits than its factorization.

1988336670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66277899.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 1988336670 is about 44590.7688877418. The cubic root of 1988336670 is about 1257.4671277145.

The spelling of 1988336670 in words is "one billion, nine hundred eighty-eight million, three hundred thirty-six thousand, six hundred seventy".