106304649978 has 32 divisors (see below), whose sum is σ = 213204859200. Its totient is φ = 35335754496.

The previous prime is 106304649973. The next prime is 106304650027. The reversal of 106304649978 is 879946403601.

It is a super-2 number, since 2×106304649978² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106304649973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3392808 + ... + 3423996.

It is an arithmetic number, because the mean of its divisors is an integer number (6662651850).

Almost surely, 2^106304649978 is an apocalyptic number.

106304649978 is an abundant number, since it is smaller than the sum of its proper divisors (106900209222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106304649978 is a wasteful number, since it uses less digits than its factorization.

106304649978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32766.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 106304649978 in words is "one hundred six billion, three hundred four million, six hundred forty-nine thousand, nine hundred seventy-eight".