1670996620 has 24 divisors (see below), whose sum is σ = 3529383984. Its totient is φ = 664533696.

The previous prime is 1670996603. The next prime is 1670996633. The reversal of 1670996620 is 266990761.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238014 + ... + 244933.

It is an arithmetic number, because the mean of its divisors is an integer number (147057666).

Almost surely, 2^1670996620 is an apocalyptic number.

1670996620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1670996620 is an abundant number, since it is smaller than the sum of its proper divisors (1858387364).

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

1670996620 is a wasteful number, since it uses less digits than its factorization.

1670996620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483129 (or 483127 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1670996620 is about 40877.8255292524. The cubic root of 1670996620 is about 1186.6569590938.

The spelling of 1670996620 in words is "one billion, six hundred seventy million, nine hundred ninety-six thousand, six hundred twenty".