106651243772 has 12 divisors (see below), whose sum is σ = 188383973400. Its totient is φ = 52827251376.

The previous prime is 106651243759. The next prime is 106651243781. The reversal of 106651243772 is 277342156601.

It is a happy number.

It is a super-2 number, since 2×106651243772² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124592147 + ... + 124593002.

It is an arithmetic number, because the mean of its divisors is an integer number (15698664450).

Almost surely, 2^106651243772 is an apocalyptic number.

It is an amenable number.

106651243772 is a deficient number, since it is larger than the sum of its proper divisors (81732729628).

106651243772 is a wasteful number, since it uses less digits than its factorization.

106651243772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249185260 (or 249185258 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 106651243772 in words is "one hundred six billion, six hundred fifty-one million, two hundred forty-three thousand, seven hundred seventy-two".