100506156616 has 8 divisors (see below), whose sum is σ = 188449043670. Its totient is φ = 50253078304.

The previous prime is 100506156577. The next prime is 100506156617. The reversal of 100506156616 is 616651605001.

It can be written as a sum of positive squares in only one way, i.e., 76557356100 + 23948800516 = 276690^2 + 154754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (100506156617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6281634781 + ... + 6281634796.

Almost surely, 2^100506156616 is an apocalyptic number.

It is an amenable number.

100506156616 is a deficient number, since it is larger than the sum of its proper divisors (87942887054).

100506156616 is a wasteful number, since it uses less digits than its factorization.

100506156616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12563269583 (or 12563269579 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 100506156616 in words is "one hundred billion, five hundred six million, one hundred fifty-six thousand, six hundred sixteen".