1612064501 has 4 divisors (see below), whose sum is σ = 1613075532. Its totient is φ = 1611053472.

The previous prime is 1612064479. The next prime is 1612064521. The reversal of 1612064501 is 1054602161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1054602161 = 167 ⋅6314983.

It can be written as a sum of positive squares in 2 ways, for example, as 162435025 + 1449629476 = 12745^2 + 38074^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612064501 - 2²⁶ = 1544955637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612064521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503120 + ... + 506313.

It is an arithmetic number, because the mean of its divisors is an integer number (403268883).

Almost surely, 2^1612064501 is an apocalyptic number.

It is an amenable number.

1612064501 is a deficient number, since it is larger than the sum of its proper divisors (1011031).

1612064501 is a wasteful number, since it uses less digits than its factorization.

1612064501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011030.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1612064501 is about 40150.5230476516. The cubic root of 1612064501 is about 1172.5394718202.

Adding to 1612064501 its reverse (1054602161), we get a palindrome (2666666662).

The spelling of 1612064501 in words is "one billion, six hundred twelve million, sixty-four thousand, five hundred one".