1061947672156 has 24 divisors (see below), whose sum is σ = 2173288261760. Its totient is φ = 444536234352.

The previous prime is 1061947672153. The next prime is 1061947672171. The reversal of 1061947672156 is 6512767491601.

It is a super-2 number, since 2×1061947672156² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061947672097 and 1061947672106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061947672153) 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, 441006966 + ... + 441009373.

Almost surely, 2^{1061947672156} is an apocalyptic number.

It is an amenable number.

1061947672156 is an abundant number, since it is smaller than the sum of its proper divisors (1111340589604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061947672156 is a wasteful number, since it uses less digits than its factorization.

1061947672156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882016393 (or 882016391 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 1061947672156 in words is "one trillion, sixty-one billion, nine hundred forty-seven million, six hundred seventy-two thousand, one hundred fifty-six".