1670486976 has 168 divisors, whose sum is σ = 4997616624. Its totient is φ = 553236480.

The previous prime is 1670486957. The next prime is 1670486977. The reversal of 1670486976 is 6796840761.

It is a happy number.

1670486976 is a `hidden beast` number, since 1 + 6 + 70 + 486 + 97 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670486977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3623386 + ... + 3623846.

It is an arithmetic number, because the mean of its divisors is an integer number (29747718).

Almost surely, 2^1670486976 is an apocalyptic number.

1670486976 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 1670486976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2498808312).

1670486976 is an abundant number, since it is smaller than the sum of its proper divisors (3327129648).

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

1670486976 is an equidigital number, since it uses as much as digits as its factorization.

1670486976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 1670486976 is about 40871.5913074106. The cubic root of 1670486976 is about 1186.5363057291.

The spelling of 1670486976 in words is "one billion, six hundred seventy million, four hundred eighty-six thousand, nine hundred seventy-six".