1081654161 has 8 divisors (see below), whose sum is σ = 1648234944. Its totient is φ = 618088080.

The previous prime is 1081654127. The next prime is 1081654181. The reversal of 1081654161 is 1614561801.

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

It is not a de Polignac number, because 1081654161 - 2⁷ = 1081654033 is a prime.

It is a super-2 number, since 2×1081654161² = 2339951448017227842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1081654181) 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, 25753650 + ... + 25753691.

It is an arithmetic number, because the mean of its divisors is an integer number (206029368).

Almost surely, 2^1081654161 is an apocalyptic number.

It is an amenable number.

1081654161 is a deficient number, since it is larger than the sum of its proper divisors (566580783).

1081654161 is an equidigital number, since it uses as much as digits as its factorization.

1081654161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51507351.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1081654161 is about 32888.5110790987. The cubic root of 1081654161 is about 1026.5091110872.

The spelling of 1081654161 in words is "one billion, eighty-one million, six hundred fifty-four thousand, one hundred sixty-one".