1670172480 has 448 divisors, whose sum is σ = 6359834880. Its totient is φ = 411107328.

The previous prime is 1670172467. The next prime is 1670172499. The reversal of 1670172480 is 842710761.

1670172480 is a `hidden beast` number, since 1 + 6 + 7 + 0 + 172 + 480 = 666.

It is a super-2 number, since 2×1670172480² = 5578952225898700800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12190972 + ... + 12191108.

It is an arithmetic number, because the mean of its divisors is an integer number (14196060).

Almost surely, 2^1670172480 is an apocalyptic number.

1670172480 is a gapful number since it is divisible by the number (10) 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 1670172480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3179917440).

1670172480 is an abundant number, since it is smaller than the sum of its proper divisors (4689662400).

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

1670172480 is a wasteful number, since it uses less digits than its factorization.

1670172480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1670172480 is about 40867.7437595960. The cubic root of 1670172480 is about 1186.4618395510.

The spelling of 1670172480 in words is "one billion, six hundred seventy million, one hundred seventy-two thousand, four hundred eighty".