106521650146 has 4 divisors (see below), whose sum is σ = 159782475222. Its totient is φ = 53260825072.

The previous prime is 106521650119. The next prime is 106521650227. The reversal of 106521650146 is 641056125601.

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., 95969224521 + 10552425625 = 309789^2 + 102725^2 .

It is a super-2 number, since 2×106521650146² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26630412535 + ... + 26630412538.

Almost surely, 2^106521650146 is an apocalyptic number.

106521650146 is a deficient number, since it is larger than the sum of its proper divisors (53260825076).

106521650146 is an equidigital number, since it uses as much as digits as its factorization.

106521650146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53260825075.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 106521650146 its reverse (641056125601), we get a palindrome (747577775747).

The spelling of 106521650146 in words is "one hundred six billion, five hundred twenty-one million, six hundred fifty thousand, one hundred forty-six".