166410619810 has 16 divisors (see below), whose sum is σ = 309201668352. Its totient is φ = 64417014000.

The previous prime is 166410619801. The next prime is 166410619811. The reversal of 166410619810 is 18916014661.

It is a super-2 number, since 2×166410619810² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166410619811) 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, 268403916 + ... + 268404535.

It is an arithmetic number, because the mean of its divisors is an integer number (19325104272).

Almost surely, 2^166410619810 is an apocalyptic number.

166410619810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166410619810 is a deficient number, since it is larger than the sum of its proper divisors (142791048542).

166410619810 is a wasteful number, since it uses less digits than its factorization.

166410619810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536808489.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 166410619810 in words is "one hundred sixty-six billion, four hundred ten million, six hundred nineteen thousand, eight hundred ten".