1662342154 has 16 divisors (see below), whose sum is σ = 2778074496. Its totient is φ = 739532800.

The previous prime is 1662342151. The next prime is 1662342163. The reversal of 1662342154 is 4512432661.

It is not an unprimeable number, because it can be changed into a prime (1662342151) 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, 802807 + ... + 804874.

It is an arithmetic number, because the mean of its divisors is an integer number (173629656).

Almost surely, 2^1662342154 is an apocalyptic number.

1662342154 is a deficient number, since it is larger than the sum of its proper divisors (1115732342).

1662342154 is a wasteful number, since it uses less digits than its factorization.

1662342154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607741.

The product of its digits is 34560, while the sum is 34.

The square root of 1662342154 is about 40771.8303979598. The cubic root of 1662342154 is about 1184.6047579538.

The spelling of 1662342154 in words is "one billion, six hundred sixty-two million, three hundred forty-two thousand, one hundred fifty-four".