164519470 has 24 divisors (see below), whose sum is σ = 303565032. Its totient is φ = 64196160.

The previous prime is 164519417. The next prime is 164519479. The reversal of 164519470 is 74915461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164519479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11917 + ... + 21703.

It is an arithmetic number, because the mean of its divisors is an integer number (12648543).

Almost surely, 2^164519470 is an apocalyptic number.

164519470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164519470 is a deficient number, since it is larger than the sum of its proper divisors (139045562).

164519470 is an equidigital number, since it uses as much as digits as its factorization.

164519470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876 (or 9835 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 164519470 is about 12826.5143355473. The cubic root of 164519470 is about 547.9476902313.

It can be divided in two parts, 16451 and 9470, that added together give a square (25921 = 161²).

The spelling of 164519470 in words is "one hundred sixty-four million, five hundred nineteen thousand, four hundred seventy".