106156100643 has 4 divisors (see below), whose sum is σ = 141541467528. Its totient is φ = 70770733760.

The previous prime is 106156100621. The next prime is 106156100657. The reversal of 106156100643 is 346001651601.

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

It is a cyclic number.

It is not a de Polignac number, because 106156100643 - 2⁸ = 106156100387 is a prime.

It is a super-2 number, since 2×106156100643² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106156100693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17692683438 + ... + 17692683443.

It is an arithmetic number, because the mean of its divisors is an integer number (35385366882).

Almost surely, 2^106156100643 is an apocalyptic number.

106156100643 is a deficient number, since it is larger than the sum of its proper divisors (35385366885).

106156100643 is an equidigital number, since it uses as much as digits as its factorization.

106156100643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35385366884.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 106156100643 in words is "one hundred six billion, one hundred fifty-six million, one hundred thousand, six hundred forty-three".