961413570 has 128 divisors (see below), whose sum is σ = 2881267200. Its totient is φ = 226347264.

The previous prime is 961413493. The next prime is 961413581. The reversal of 961413570 is 75314169.

961413570 is a `hidden beast` number, since 9 + 614 + 1 + 35 + 7 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74776 + ... + 86684.

It is an arithmetic number, because the mean of its divisors is an integer number (22509900).

Almost surely, 2^961413570 is an apocalyptic number.

961413570 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 961413570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440633600).

961413570 is an abundant number, since it is smaller than the sum of its proper divisors (1919853630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961413570 is a wasteful number, since it uses less digits than its factorization.

961413570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961 (or 11955 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 961413570 is about 31006.6697663583. The cubic root of 961413570 is about 986.9687816365.

The spelling of 961413570 in words is "nine hundred sixty-one million, four hundred thirteen thousand, five hundred seventy".