1020164146 has 16 divisors (see below), whose sum is σ = 1591775640. Its totient is φ = 489767040.

The previous prime is 1020164129. The next prime is 1020164153. The reversal of 1020164146 is 6414610201.

It can be written as a sum of positive squares in 4 ways, for example, as 740438521 + 279725625 = 27211^2 + 16725^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1020164146.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38091 + ... + 59086.

Almost surely, 2^1020164146 is an apocalyptic number.

1020164146 is a deficient number, since it is larger than the sum of its proper divisors (571611494).

1020164146 is a wasteful number, since it uses less digits than its factorization.

1020164146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97389.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1020164146 is about 31940.0085472750. The cubic root of 1020164146 is about 1006.6767044060.

Adding to 1020164146 its reverse (6414610201), we get a palindrome (7434774347).

It can be divided in two parts, 10201 and 64146, that added together give a palindrome (74347).

The spelling of 1020164146 in words is "one billion, twenty million, one hundred sixty-four thousand, one hundred forty-six".