60990106 has 4 divisors (see below), whose sum is σ = 91485162. Its totient is φ = 30495052.

The previous prime is 60990079. The next prime is 60990109. The reversal of 60990106 is 60109906.

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., 49491225 + 11498881 = 7035^2 + 3391^2 .

It is a super-3 number, since 3×60990106³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (60990109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15247525 + ... + 15247528.

Almost surely, 2^60990106 is an apocalyptic number.

60990106 is a deficient number, since it is larger than the sum of its proper divisors (30495056).

60990106 is a wasteful number, since it uses less digits than its factorization.

60990106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30495055.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 60990106 is about 7809.6162517758. The cubic root of 60990106 is about 393.6284342616.

The spelling of 60990106 in words is "sixty million, nine hundred ninety thousand, one hundred six".