1011640162154 has 4 divisors (see below), whose sum is σ = 1517460243234. Its totient is φ = 505820081076.

The previous prime is 1011640162151. The next prime is 1011640162163. The reversal of 1011640162154 is 4512610461101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1010179775929 + 1460386225 = 1005077^2 + 38215^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1011640162154.

It is not an unprimeable number, because it can be changed into a prime (1011640162151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252910040537 + ... + 252910040540.

Almost surely, 2^{1011640162154} is an apocalyptic number.

1011640162154 is a deficient number, since it is larger than the sum of its proper divisors (505820081080).

1011640162154 is an equidigital number, since it uses as much as digits as its factorization.

1011640162154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505820081079.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 1011640162154 in words is "one trillion, eleven billion, six hundred forty million, one hundred sixty-two thousand, one hundred fifty-four".