1506506060661 has 64 divisors (see below), whose sum is σ = 2402857156608. Its totient is φ = 820885399488.

The previous prime is 1506506060641. The next prime is 1506506060663. The reversal of 1506506060661 is 1660606056051.

It is not a de Polignac number, because 1506506060661 - 2⁹ = 1506506060149 is a prime.

It is a super-2 number, since 2×1506506060661² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506506060663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 273559270 + ... + 273564776.

It is an arithmetic number, because the mean of its divisors is an integer number (37544643072).

Almost surely, 2^{1506506060661} is an apocalyptic number.

It is an amenable number.

1506506060661 is a deficient number, since it is larger than the sum of its proper divisors (896351095947).

1506506060661 is a wasteful number, since it uses less digits than its factorization.

1506506060661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 1506506060661 in words is "one trillion, five hundred six billion, five hundred six million, sixty thousand, six hundred sixty-one".