161676103651 has 8 divisors (see below), whose sum is σ = 166105115424. Its totient is φ = 157250217600.

The previous prime is 161676103639. The next prime is 161676103703. The reversal of 161676103651 is 156301676161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161676103651 - 2⁵ = 161676103619 is a prime.

It is a super-2 number, since 2×161676103651² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161676103598 and 161676103607.

It is not an unprimeable number, because it can be changed into a prime (161676103621) 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, 676375 + ... + 883648.

It is an arithmetic number, because the mean of its divisors is an integer number (20763139428).

Almost surely, 2^161676103651 is an apocalyptic number.

161676103651 is a deficient number, since it is larger than the sum of its proper divisors (4429011773).

161676103651 is a wasteful number, since it uses less digits than its factorization.

161676103651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562861.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 161676103651 in words is "one hundred sixty-one billion, six hundred seventy-six million, one hundred three thousand, six hundred fifty-one".