1974026016 has 72 divisors (see below), whose sum is σ = 5750588844. Its totient is φ = 641955840.

The previous prime is 1974026011. The next prime is 1974026023. The reversal of 1974026016 is 6106204791.

1974026016 is a `hidden beast` number, since 1 + 9 + 7 + 40 + 2 + 601 + 6 = 666.

1974026016 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1584358416 + 389667600 = 39804^2 + 19740^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1974026011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71781 + ... + 95396.

Almost surely, 2^1974026016 is an apocalyptic number.

1974026016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1974026016 is an abundant number, since it is smaller than the sum of its proper divisors (3776562828).

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

1974026016 is a wasteful number, since it uses less digits than its factorization.

1974026016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167234 (or 167223 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1974026016 is about 44430.0125590799. The cubic root of 1974026016 is about 1254.4430719909.

The spelling of 1974026016 in words is "one billion, nine hundred seventy-four million, twenty-six thousand, sixteen".