1671423936 has 224 divisors, whose sum is σ = 5478402048. Its totient is φ = 437944320.

The previous prime is 1671423907. The next prime is 1671423937. The reversal of 1671423936 is 6393241761.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671423937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4734736 + ... + 4735088.

It is an arithmetic number, because the mean of its divisors is an integer number (24457152).

Almost surely, 2^1671423936 is an apocalyptic number.

1671423936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671423936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2739201024).

1671423936 is an abundant number, since it is smaller than the sum of its proper divisors (3806978112).

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

1671423936 is a wasteful number, since it uses less digits than its factorization.

1671423936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 649 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 1671423936 is about 40883.0519408715. The cubic root of 1671423936 is about 1186.7581031817.

The spelling of 1671423936 in words is "one billion, six hundred seventy-one million, four hundred twenty-three thousand, nine hundred thirty-six".