106306991428 has 48 divisors (see below), whose sum is σ = 220522659840. Its totient is φ = 44301405600.

The previous prime is 106306991383. The next prime is 106306991443. The reversal of 106306991428 is 824199603601.

It is a happy number.

It is a super-2 number, since 2×106306991428² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025076 + ... + 2076907.

It is an arithmetic number, because the mean of its divisors is an integer number (4594222080).

Almost surely, 2^106306991428 is an apocalyptic number.

It is an amenable number.

106306991428 is an abundant number, since it is smaller than the sum of its proper divisors (114215668412).

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

106306991428 is a wasteful number, since it uses less digits than its factorization.

106306991428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102048 (or 4102046 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 106306991428 in words is "one hundred six billion, three hundred six million, nine hundred ninety-one thousand, four hundred twenty-eight".