1667020516670 has 16 divisors (see below), whose sum is σ = 3158565189840. Its totient is φ = 631713037824.

The previous prime is 1667020516669. The next prime is 1667020516673. The reversal of 1667020516670 is 766150207661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1667020516673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4386895907 + ... + 4386896286.

It is an arithmetic number, because the mean of its divisors is an integer number (197410324365).

Almost surely, 2^{1667020516670} is an apocalyptic number.

1667020516670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1667020516670 is a deficient number, since it is larger than the sum of its proper divisors (1491544673170).

1667020516670 is a wasteful number, since it uses less digits than its factorization.

1667020516670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773792219.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 1667020516670 in words is "one trillion, six hundred sixty-seven billion, twenty million, five hundred sixteen thousand, six hundred seventy".