612621772106 has 16 divisors (see below), whose sum is σ = 958906473984. Its totient is φ = 292986842544.

The previous prime is 612621772019. The next prime is 612621772109. The reversal of 612621772106 is 601277126216.

It is not an unprimeable number, because it can be changed into a prime (612621772109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668775 + ... + 2889221.

It is an arithmetic number, because the mean of its divisors is an integer number (59931654624).

Almost surely, 2^612621772106 is an apocalyptic number.

612621772106 is a deficient number, since it is larger than the sum of its proper divisors (346284701878).

612621772106 is a wasteful number, since it uses less digits than its factorization.

612621772106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280885.

The product of its (nonzero) digits is 84672, while the sum is 41.

The spelling of 612621772106 in words is "six hundred twelve billion, six hundred twenty-one million, seven hundred seventy-two thousand, one hundred six".