1612666670 has 32 divisors (see below), whose sum is σ = 2923361280. Its totient is φ = 640513440.

The previous prime is 1612666661. The next prime is 1612666673. The reversal of 1612666670 is 766662161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612666673) 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, 1516559 + ... + 1517621.

It is an arithmetic number, because the mean of its divisors is an integer number (91355040).

Almost surely, 2^1612666670 is an apocalyptic number.

1612666670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1612666670 is a deficient number, since it is larger than the sum of its proper divisors (1310694610).

1612666670 is a wasteful number, since it uses less digits than its factorization.

1612666670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1612666670 is about 40158.0212410920. The cubic root of 1612666670 is about 1172.6854500621.

The spelling of 1612666670 in words is "one billion, six hundred twelve million, six hundred sixty-six thousand, six hundred seventy".