106561066490 has 16 divisors (see below), whose sum is σ = 191873676960. Its totient is φ = 42610258320.

The previous prime is 106561066463. The next prime is 106561066511. The reversal of 106561066490 is 94660165601.

It is a super-2 number, since 2×106561066490² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1739420 + ... + 1799639.

It is an arithmetic number, because the mean of its divisors is an integer number (11992104810).

Almost surely, 2^106561066490 is an apocalyptic number.

106561066490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106561066490 is a deficient number, since it is larger than the sum of its proper divisors (85312610470).

106561066490 is a wasteful number, since it uses less digits than its factorization.

106561066490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542077.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 106561066490 in words is "one hundred six billion, five hundred sixty-one million, sixty-six thousand, four hundred ninety".