1961167402 has 16 divisors (see below), whose sum is σ = 3025975680. Its totient is φ = 952809408.

The previous prime is 1961167367. The next prime is 1961167469. The reversal of 1961167402 is 2047611691.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61983 + ... + 88114.

It is an arithmetic number, because the mean of its divisors is an integer number (189123480).

Almost surely, 2^1961167402 is an apocalyptic number.

1961167402 is a deficient number, since it is larger than the sum of its proper divisors (1064808278).

1961167402 is a wasteful number, since it uses less digits than its factorization.

1961167402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150285.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1961167402 is about 44285.0697413925. The cubic root of 1961167402 is about 1251.7133628638.

The spelling of 1961167402 in words is "one billion, nine hundred sixty-one million, one hundred sixty-seven thousand, four hundred two".