1671620496 has 240 divisors, whose sum is σ = 5647388544. Its totient is φ = 421521408.

The previous prime is 1671620491. The next prime is 1671620501. The reversal of 1671620496 is 6940261761.

It is an interprime number because it is at equal distance from previous prime (1671620491) and next prime (1671620501).

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

It is not an unprimeable number, because it can be changed into a prime (1671620491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 702060 + ... + 704436.

Almost surely, 2^1671620496 is an apocalyptic number.

1671620496 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 1671620496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2823694272).

1671620496 is an abundant number, since it is smaller than the sum of its proper divisors (3975768048).

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

1671620496 is a wasteful number, since it uses less digits than its factorization.

1671620496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1671620496 is about 40885.4558003210. The cubic root of 1671620496 is about 1186.8046224049.

The spelling of 1671620496 in words is "one billion, six hundred seventy-one million, six hundred twenty thousand, four hundred ninety-six".