164950426 has 4 divisors (see below), whose sum is σ = 247425642. Its totient is φ = 82475212.

The previous prime is 164950399. The next prime is 164950427. The reversal of 164950426 is 624059461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136913401 + 28037025 = 11701^2 + 5295^2 .

It is not an unprimeable number, because it can be changed into a prime (164950427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41237605 + ... + 41237608.

Almost surely, 2^164950426 is an apocalyptic number.

164950426 is a deficient number, since it is larger than the sum of its proper divisors (82475216).

164950426 is an equidigital number, since it uses as much as digits as its factorization.

164950426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82475215.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 164950426 is about 12843.3027683692. The cubic root of 164950426 is about 548.4257196805.

The spelling of 164950426 in words is "one hundred sixty-four million, nine hundred fifty thousand, four hundred twenty-six".