1670081061 has 16 divisors (see below), whose sum is σ = 2465468928. Its totient is φ = 997062000.

The previous prime is 1670081051. The next prime is 1670081089. The reversal of 1670081061 is 1601800761.

It is a happy number.

It is not a de Polignac number, because 1670081061 - 2¹⁷ = 1669949989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670081051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375465 + ... + 379886.

It is an arithmetic number, because the mean of its divisors is an integer number (154091808).

Almost surely, 2^1670081061 is an apocalyptic number.

1670081061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1670081061 is a deficient number, since it is larger than the sum of its proper divisors (795387867).

1670081061 is a wasteful number, since it uses less digits than its factorization.

1670081061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755432.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1670081061 is about 40866.6252705065. The cubic root of 1670081061 is about 1186.4401916603.

The spelling of 1670081061 in words is "one billion, six hundred seventy million, eighty-one thousand, sixty-one".