101116161572 has 12 divisors (see below), whose sum is σ = 177001432860. Its totient is φ = 50544323616.

The previous prime is 101116161569. The next prime is 101116161599. The reversal of 101116161572 is 275161611101.

It can be written as a sum of positive squares in 2 ways, for example, as 95639273536 + 5476888036 = 309256^2 + 74006^2 .

It is a super-2 number, since 2×101116161572² (a number of 23 digits) contains 22 as substring.

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, 3422747 + ... + 3452162.

It is an arithmetic number, because the mean of its divisors is an integer number (14750119405).

Almost surely, 2^101116161572 is an apocalyptic number.

It is an amenable number.

101116161572 is a deficient number, since it is larger than the sum of its proper divisors (75885271288).

101116161572 is a wasteful number, since it uses less digits than its factorization.

101116161572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878590 (or 6878588 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 32.

Adding to 101116161572 its reverse (275161611101), we get a palindrome (376277772673).

The spelling of 101116161572 in words is "one hundred one billion, one hundred sixteen million, one hundred sixty-one thousand, five hundred seventy-two".