1086161649 has 8 divisors (see below), whose sum is σ = 1448759040. Its totient is φ = 723836016.

The previous prime is 1086161647. The next prime is 1086161651. The reversal of 1086161649 is 9461616801.

It is an interprime number because it is at equal distance from previous prime (1086161647) and next prime (1086161651).

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

It is not a de Polignac number, because 1086161649 - 2¹ = 1086161647 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1086161649.

It is not an unprimeable number, because it can be changed into a prime (1086161647) 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, 58422 + ... + 74735.

It is an arithmetic number, because the mean of its divisors is an integer number (181094880).

Almost surely, 2^1086161649 is an apocalyptic number.

It is an amenable number.

1086161649 is a deficient number, since it is larger than the sum of its proper divisors (362597391).

1086161649 is a wasteful number, since it uses less digits than its factorization.

1086161649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135879.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1086161649 is about 32956.9666231588. The cubic root of 1086161649 is about 1027.9330305180.

It can be divided in two parts, 1086 and 161649, that added together give a triangular number (162735 = T₅₇₀).

The spelling of 1086161649 in words is "one billion, eighty-six million, one hundred sixty-one thousand, six hundred forty-nine".