1602772061 has 4 divisors (see below), whose sum is σ = 1748478624. Its totient is φ = 1457065500.

The previous prime is 1602772049. The next prime is 1602772091.

1602772061 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1602772061 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 (1602772091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72853265 + ... + 72853286.

It is an arithmetic number, because the mean of its divisors is an integer number (437119656).

Almost surely, 2^1602772061 is an apocalyptic number.

1602772061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1602772061 is a deficient number, since it is larger than the sum of its proper divisors (145706563).

1602772061 is a wasteful number, since it uses less digits than its factorization.

1602772061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145706562.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1602772061 is about 40034.6357670455. The cubic root of 1602772061 is about 1170.2821685330.

It can be divided in two parts, 16027 and 72061, that added together give a palindrome (88088).

The spelling of 1602772061 in words is "one billion, six hundred two million, seven hundred seventy-two thousand, sixty-one".