1520660061070 has 32 divisors (see below), whose sum is σ = 2832033157920. Its totient is φ = 587194151040.

The previous prime is 1520660061043. The next prime is 1520660061071. The reversal of 1520660061070 is 701600660251.

It is a happy number.

It is a super-2 number, since 2×1520660061070² (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 (1520660061071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379064 + ... + 2223316.

It is an arithmetic number, because the mean of its divisors is an integer number (88501036185).

Almost surely, 2^{1520660061070} is an apocalyptic number.

1520660061070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520660061070 is a deficient number, since it is larger than the sum of its proper divisors (1311373096850).

1520660061070 is a wasteful number, since it uses less digits than its factorization.

1520660061070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850500.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 1520660061070 in words is "one trillion, five hundred twenty billion, six hundred sixty million, sixty-one thousand, seventy".